Опыт 3, страница 103 - гдз по химии 11 класс учебник Оспанова, Аухадиева

Химия, 11 класс Учебник, авторы: Оспанова Мейрамкуль Кабылбековна, Аухадиева Кырмызы Сейсенбековна, Белоусова Татьяна Геннадьевна, издательство Мектеп, Алматы, 2020

Авторы: Оспанова М. К., Аухадиева К. С., Белоусова Т. Г.

Тип: Учебник

Издательство: Мектеп

Год издания: 2020 - 2026

Цвет обложки: синий

ISBN: 978-601-07-1372-7

Глава II. Углеводороды и их природные источники. Параграф 23. Экологические аспекты добычи, переработки углеводородов в Казахстане. Лабораторная работа № 2 - страница 103.

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                              "field_creative_case" => null
                              "field_dative_case" => null
                              "field_genitive_case" => null
                              "field_nominative_case" => null
                              "field_prepositional_case" => null
                            ]
                            "field_translit" => "kazakhstan"
                          ]
                          #original: array:6 [
                            "id" => 6994
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Казахстан"
                            "field_cases" => array:6 [
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                              "field_creative_case" => null
                              "field_dative_case" => null
                              "field_genitive_case" => null
                              "field_nominative_case" => null
                              "field_prepositional_case" => null
                            ]
                            "field_translit" => "kazakhstan"
                          ]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_city" => Illuminate\Database\Eloquent\Collection {#1084
                      #items: array:1 [
                        0 => App\Models\Term {#1083
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:6 [
                            "id" => 6995
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Алматы"
                            "field_cases" => array:6 [
                              "field_accusative_case" => null
                              "field_creative_case" => null
                              "field_dative_case" => null
                              "field_genitive_case" => null
                              "field_nominative_case" => null
                              "field_prepositional_case" => null
                            ]
                            "field_translit" => "almaty"
                          ]
                          #original: array:6 [
                            "id" => 6995
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Алматы"
                            "field_cases" => array:6 [
                              "field_accusative_case" => null
                              "field_creative_case" => null
                              "field_dative_case" => null
                              "field_genitive_case" => null
                              "field_nominative_case" => null
                              "field_prepositional_case" => null
                            ]
                            "field_translit" => "almaty"
                          ]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_series" => Illuminate\Database\Eloquent\Collection {#1074
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_umk" => Illuminate\Database\Eloquent\Collection {#1072
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1066
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1078
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_publication_number" => null
                    "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1077
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1076
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_under_the_edition_degree" => null
                    "field_cover_description" => null
                    "field_publication_year" => "2020"
                    "field_publication_year_until" => null
                    "field_part" => ""
                    "field_part_writing" => ""
                    "field_second_foreign_language" => null
                    "field_for_whom" => "Учебник для 11 класса общественно-гуманитарного направления общеобразовательных школ"
                    "field_allowed" => null
                    "field_reserve_field" => null
                    "field_link_to_source" => null
                    "field_tasks_count" => "431"
                    "field_priority" => null
                    "field_default_folder" => "/himiya_11/ospanova-u/"
                    "field_isbn" => "978-601-07-1372-7"
                    "field_cover" => array:1 [
                      0 => "/media/himiya_11/ospanova-u/covers/cover1.webp?ts=1770303660"
                    ]
                    "field_cover_alts" => array:1 [
                      0 => ""
                    ]
                    "field_covers" => array:1 [
                      0 => array:4 [
                        "path" => "/media/himiya_11/ospanova-u/covers/cover1.webp?ts=1770303660"
                        "alt" => ""
                        "width" => "400"
                        "height" => "600"
                      ]
                    ]
                    "field_popular_book" => "0"
                    "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1075
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_new_book" => Illuminate\Database\Eloquent\Collection {#1085
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_old_book" => Illuminate\Database\Eloquent\Collection {#1086
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_url" => "/11-klass/himiya/mektep-ospanova-uchebnik"
                    "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1090
                      #items: array:1 [
                        0 => App\Models\Term {#1087
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:6 [
                            "id" => 49
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "синий"
                            "field_cases" => array:6 [
                              "field_accusative_case" => null
                              "field_creative_case" => null
                              "field_dative_case" => null
                              "field_genitive_case" => null
                              "field_nominative_case" => null
                              "field_prepositional_case" => null
                            ]
                            "field_translit" => "siniy"
                          ]
                          #original: array:6 [
                            "id" => 49
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "синий"
                            "field_cases" => array:6 [
                              "field_accusative_case" => null
                              "field_creative_case" => null
                              "field_dative_case" => null
                              "field_genitive_case" => null
                              "field_nominative_case" => null
                              "field_prepositional_case" => null
                            ]
                            "field_translit" => "siniy"
                          ]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_metatags_title" => null
                    "field_metatags_description" => null
                    "field_h1" => null
                    "field_description_top" => null
                    "field_description_bottom" => null
                    "breadcrumbs" => array:3 [
                      "class" => 382
                      "subject" => 558
                      "class_subject" => 501
                    ]
                  ]
                  #original: array:50 [
                    "id" => 9894
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_tree_default_status" => "tasks"
                    "field_pages_status" => null
                    "field_subject" => Illuminate\Database\Eloquent\Collection {#1061}
                    "field_class" => Illuminate\Database\Eloquent\Collection {#1063}
                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1071}
                    "field_author" => Illuminate\Database\Eloquent\Collection {#1065}
                    "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1068}
                    "field_book_type" => Illuminate\Database\Eloquent\Collection {#1073}
                    "field_country" => Illuminate\Database\Eloquent\Collection {#1081}
                    "field_city" => Illuminate\Database\Eloquent\Collection {#1084}
                    "field_series" => Illuminate\Database\Eloquent\Collection {#1074}
                    "field_umk" => Illuminate\Database\Eloquent\Collection {#1072}
                    "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1066}
                    "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1078}
                    "field_publication_number" => null
                    "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1077}
                    "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1076}
                    "field_under_the_edition_degree" => null
                    "field_cover_description" => null
                    "field_publication_year" => "2020"
                    "field_publication_year_until" => null
                    "field_part" => ""
                    "field_part_writing" => ""
                    "field_second_foreign_language" => null
                    "field_for_whom" => "Учебник для 11 класса общественно-гуманитарного направления общеобразовательных школ"
                    "field_allowed" => null
                    "field_reserve_field" => null
                    "field_link_to_source" => null
                    "field_tasks_count" => "431"
                    "field_priority" => null
                    "field_default_folder" => "/himiya_11/ospanova-u/"
                    "field_isbn" => "978-601-07-1372-7"
                    "field_cover" => array:1 [
                      0 => "/media/himiya_11/ospanova-u/covers/cover1.webp?ts=1770303660"
                    ]
                    "field_cover_alts" => array:1 [
                      0 => ""
                    ]
                    "field_covers" => array:1 [
                      0 => array:4 [
                        "path" => "/media/himiya_11/ospanova-u/covers/cover1.webp?ts=1770303660"
                        "alt" => ""
                        "width" => "400"
                        "height" => "600"
                      ]
                    ]
                    "field_popular_book" => "0"
                    "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1075}
                    "field_new_book" => Illuminate\Database\Eloquent\Collection {#1085}
                    "field_old_book" => Illuminate\Database\Eloquent\Collection {#1086}
                    "field_url" => "/11-klass/himiya/mektep-ospanova-uchebnik"
                    "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1090}
                    "field_metatags_title" => null
                    "field_metatags_description" => null
                    "field_h1" => null
                    "field_description_top" => null
                    "field_description_bottom" => null
                    "breadcrumbs" => array:3 [
                      "class" => 382
                      "subject" => 558
                      "class_subject" => 501
                    ]
                  ]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1047
              #items: []
              #escapeWhenCastingToString: false
            }
          ]
          #original: array:24 [
            "id" => 2112399
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_display_title" => "Углеводороды и их природные источники"
            "field_branch_order" => "II"
            "field_url" => null
            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1049}
            "field_page_start" => "37"
            "field_branch_display" => "0"
            "field_branch_expanded" => "0"
            "field_display_branch_in_title" => "1"
            "field_display_task_interval" => "0"
            "field_display_branch_page" => "1"
            "field_branch_title_in_content" => "0"
            "field_navigation_title" => null
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_branch_cover" => []
            "field_branch_covers" => []
            "book" => Illuminate\Database\Eloquent\Collection {#1057}
            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1047}
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1111
      #items: array:3 [
        0 => App\Models\Branch {#1121
          #connection: "mysql"
          #table: "branches"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 2112399
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_display_title" => "Углеводороды и их природные источники"
            "field_branch_order" => "II"
            "field_url" => null
            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1122
              #items: array:1 [
                0 => App\Models\Term {#1046}
              ]
              #escapeWhenCastingToString: false
            }
            "field_page_start" => "37"
            "field_branch_display" => "0"
            "field_branch_expanded" => "0"
            "field_display_branch_in_title" => "1"
            "field_display_task_interval" => "0"
            "field_display_branch_page" => "1"
            "field_branch_title_in_content" => "0"
            "field_navigation_title" => null
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_branch_cover" => []
            "field_branch_covers" => []
            "book" => Illuminate\Database\Eloquent\Collection {#1123
              #items: array:1 [
                0 => App\Models\Book {#1056}
              ]
              #escapeWhenCastingToString: false
            }
            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1124
              #items: []
              #escapeWhenCastingToString: false
            }
          ]
          #original: array:24 [
            "id" => 2112399
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_display_title" => "Углеводороды и их природные источники"
            "field_branch_order" => "II"
            "field_url" => null
            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1122}
            "field_page_start" => "37"
            "field_branch_display" => "0"
            "field_branch_expanded" => "0"
            "field_display_branch_in_title" => "1"
            "field_display_task_interval" => "0"
            "field_display_branch_page" => "1"
            "field_branch_title_in_content" => "0"
            "field_navigation_title" => null
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_branch_cover" => []
            "field_branch_covers" => []
            "book" => Illuminate\Database\Eloquent\Collection {#1123}
            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1124}
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        1 => App\Models\Branch {#1125
          #connection: "mysql"
          #table: "branches"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 2112433
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_display_title" => "Экологические аспекты добычи, переработки углеводородов в Казахстане"
            "field_branch_order" => "23"
            "field_url" => null
            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1129
              #items: array:1 [
                0 => App\Models\Term {#1126
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:7 [
                    "id" => 32
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Параграф"
                    "field_cases" => array:6 [
                      "field_accusative_case" => "Параграф"
                      "field_creative_case" => "Параграфом"
                      "field_dative_case" => "Параграфу"
                      "field_genitive_case" => "Параграфа"
                      "field_nominative_case" => "Параграф"
                      "field_prepositional_case" => "Параграфе"
                    ]
                    "field_page_check_not_needed" => null
                    "field_short_name" => "§"
                  ]
                  #original: array:7 [
                    "id" => 32
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Параграф"
                    "field_cases" => array:6 [
                      "field_accusative_case" => "Параграф"
                      "field_creative_case" => "Параграфом"
                      "field_dative_case" => "Параграфу"
                      "field_genitive_case" => "Параграфа"
                      "field_nominative_case" => "Параграф"
                      "field_prepositional_case" => "Параграфе"
                    ]
                    "field_page_check_not_needed" => null
                    "field_short_name" => "§"
                  ]
                  #changes: []
                  #casts: []
                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_page_start" => "98"
            "field_branch_display" => "0"
            "field_branch_expanded" => "0"
            "field_display_branch_in_title" => "1"
            "field_display_task_interval" => "0"
            "field_display_branch_page" => "1"
            "field_branch_title_in_content" => "0"
            "field_navigation_title" => null
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_branch_cover" => []
            "field_branch_covers" => []
            "book" => Illuminate\Database\Eloquent\Collection {#1128
              #items: array:1 [
                0 => App\Models\Book {#1056}
              ]
              #escapeWhenCastingToString: false
            }
            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1127
              #items: array:1 [
                0 => App\Models\Branch {#1044}
              ]
              #escapeWhenCastingToString: false
            }
          ]
          #original: array:24 [
            "id" => 2112433
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_display_title" => "Экологические аспекты добычи, переработки углеводородов в Казахстане"
            "field_branch_order" => "23"
            "field_url" => null
            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1129}
            "field_page_start" => "98"
            "field_branch_display" => "0"
            "field_branch_expanded" => "0"
            "field_display_branch_in_title" => "1"
            "field_display_task_interval" => "0"
            "field_display_branch_page" => "1"
            "field_branch_title_in_content" => "0"
            "field_navigation_title" => null
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_branch_cover" => []
            "field_branch_covers" => []
            "book" => Illuminate\Database\Eloquent\Collection {#1128}
            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1127}
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
        2 => App\Models\Branch {#1130
          #connection: "mysql"
          #table: "branches"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
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          #withCount: []
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          +exists: true
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          #attributes: array:24 [
            "id" => 2112436
            "created_at" => "2026-04-10 13:58:26"
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            "field_branch_order" => null
            "field_url" => null
            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1131
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              #escapeWhenCastingToString: false
            }
            "field_page_start" => "102"
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            "field_description_bottom" => null
            "field_branch_cover" => []
            "field_branch_covers" => []
            "book" => Illuminate\Database\Eloquent\Collection {#1132
              #items: array:1 [
                0 => App\Models\Book {#1056}
              ]
              #escapeWhenCastingToString: false
            }
            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1141
              #items: array:1 [
                0 => App\Models\Branch {#1140
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
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                  #perPage: 15
                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:24 [
                    "id" => 2112433
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_display_title" => "Экологические аспекты добычи, переработки углеводородов в Казахстане"
                    "field_branch_order" => "23"
                    "field_url" => null
                    "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1142
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                        0 => App\Models\Term {#1126}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_page_start" => "98"
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                    "field_description_bottom" => null
                    "field_branch_cover" => []
                    "field_branch_covers" => []
                    "book" => Illuminate\Database\Eloquent\Collection {#1143
                      #items: array:1 [
                        0 => App\Models\Book {#1056}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "branch_parent" => Illuminate\Database\Eloquent\Collection {#1144
                      #items: array:1 [
                        0 => App\Models\Branch {#1044}
                      ]
                      #escapeWhenCastingToString: false
                    }
                  ]
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                    "id" => 2112433
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_display_title" => "Экологические аспекты добычи, переработки углеводородов в Казахстане"
                    "field_branch_order" => "23"
                    "field_url" => null
                    "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1142}
                    "field_page_start" => "98"
                    "field_branch_display" => "0"
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                    "field_branch_title_in_content" => "0"
                    "field_navigation_title" => null
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                    "field_h1" => null
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                    "field_description_bottom" => null
                    "field_branch_cover" => []
                    "field_branch_covers" => []
                    "book" => Illuminate\Database\Eloquent\Collection {#1143}
                    "branch_parent" => Illuminate\Database\Eloquent\Collection {#1144}
                  ]
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                  #attributeCastCache: []
                  #dateFormat: null
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
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          #original: array:24 [
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            "updated_at" => null
            "field_display_title" => "Лабораторная работа № 2"
            "field_branch_order" => null
            "field_url" => null
            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1131}
            "field_page_start" => "102"
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            "field_display_branch_in_title" => "1"
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            "field_branch_title_in_content" => "0"
            "field_navigation_title" => null
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            "field_metatags_description" => null
            "field_h1" => null
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            "field_description_bottom" => null
            "field_branch_cover" => []
            "field_branch_covers" => []
            "book" => Illuminate\Database\Eloquent\Collection {#1132}
            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1141}
          ]
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          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "content" => Illuminate\Database\Eloquent\Collection {#1104
      #items: array:1 [
        0 => App\Models\Element {#1105
          #connection: "mysql"
          #table: "elements"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:6 [
            "id" => 1993964
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "edition" => Illuminate\Database\Eloquent\Collection {#1094
              #items: array:1 [
                0 => App\Models\Edition {#1103
                  #connection: "mysql"
                  #table: "editions"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:21 [
                    "id" => 9448
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "title" => "Условие"
                    "field_order" => "1"
                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1101
                      #items: array:1 [
                        0 => App\Models\Term {#1102
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:6 [
                            "id" => 6996
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Мектеп"
                            "field_cases" => array:6 [
                              "field_accusative_case" => null
                              "field_creative_case" => null
                              "field_dative_case" => null
                              "field_genitive_case" => null
                              "field_nominative_case" => null
                              "field_prepositional_case" => null
                            ]
                            "field_translit" => "mektep"
                          ]
                          #original: array:6 [
                            "id" => 6996
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Мектеп"
                            "field_cases" => array:6 [
                              "field_accusative_case" => null
                              "field_creative_case" => null
                              "field_dative_case" => null
                              "field_genitive_case" => null
                              "field_nominative_case" => null
                              "field_prepositional_case" => null
                            ]
                            "field_translit" => "mektep"
                          ]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_content_type" => "free"
                    "field_content_mode" => "text, image"
                    "field_page_content_mode" => "image"
                    "field_content_text_checked" => "0"
                    "field_page_content_text_checked" => "0"
                    "field_solution_author" => "Автор"
                    "field_moderator" => "stas"
                    "field_edition_type" => "statement"
                    "field_root_dir" => "0-"
                    "field_responsible" => Illuminate\Database\Eloquent\Collection {#1100
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_comment" => null
                    "field_similar_book" => Illuminate\Database\Eloquent\Collection {#1099
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_process_formula" => ""
                    "field_edition_group" => Illuminate\Database\Eloquent\Collection {#1098
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_content_source" => null
                  ]
                  #original: array:21 [
                    "id" => 9448
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "title" => "Условие"
                    "field_order" => "1"
                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1101}
                    "field_content_type" => "free"
                    "field_content_mode" => "text, image"
                    "field_page_content_mode" => "image"
                    "field_content_text_checked" => "0"
                    "field_page_content_text_checked" => "0"
                    "field_solution_author" => "Автор"
                    "field_moderator" => "stas"
                    "field_edition_type" => "statement"
                    "field_root_dir" => "0-"
                    "field_responsible" => Illuminate\Database\Eloquent\Collection {#1100}
                    "field_comment" => null
                    "field_similar_book" => Illuminate\Database\Eloquent\Collection {#1099}
                    "field_process_formula" => ""
                    "field_edition_group" => Illuminate\Database\Eloquent\Collection {#1098}
                    "field_content_source" => null
                  ]
                  #changes: []
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                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
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                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "task" => array:2 [
              "refs" => "2112717"
              "type" => "task"
            ]
            "img" => array:1 [
              0 => array:5 [
                "name" => "3-1.jpg"
                "alt" => null
                "width" => "678"
                "height" => 414
                "path" => "/media/himiya_11/ospanova-u/0-labrab2/3-1.webp?ts=1770662142"
              ]
            ]
          ]
          #original: array:6 [
            "id" => 1993964
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "edition" => Illuminate\Database\Eloquent\Collection {#1094}
            "task" => array:2 [
              "refs" => "2112717"
              "type" => "task"
            ]
            "img" => array:1 [
              0 => array:5 [
                "name" => "3-1.jpg"
                "alt" => null
                "width" => "678"
                "height" => 414
                "path" => "/media/himiya_11/ospanova-u/0-labrab2/3-1.webp?ts=1770662142"
              ]
            ]
          ]
          #changes: []
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          #attributeCastCache: []
          #dateFormat: null
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          #touches: []
          +timestamps: true
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          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "next" => array:2 [
      "refs" => "2112718"
      "type" => "task"
    ]
    "previous" => array:2 [
      "refs" => "2112716"
      "type" => "task"
    ]
    "book" => Illuminate\Database\Eloquent\Collection {#1037
      #items: array:1 [
        0 => App\Models\Book {#1056}
      ]
      #escapeWhenCastingToString: false
    }
    "page" => Illuminate\Database\Eloquent\Collection {#1052
      #items: array:1 [
        0 => App\Models\BookPage {#1089
          #connection: "mysql"
          #table: "book_pages"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:21 [
            "id" => 2113053
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "103"
            "field_url" => "/11-klass/himiya/mektep-ospanova-uchebnik/page-103"
            "field_display_title" => "103"
            "field_folder" => "1"
            "field_image_name" => "103"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1053
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1051
              #items: array:1 [
                0 => App\Models\Book {#1056}
              ]
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1050
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1115
              #items: array:1 [
                0 => App\Models\Element {#1119
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [
                    "id" => 1993408
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#1113
                      #items: array:1 [
                        0 => App\Models\Edition {#1103}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "book_page" => array:2 [
                      "refs" => "2113053"
                      "type" => "book_page"
                    ]
                    "img" => array:1 [
                      0 => array:5 [
                        "name" => "103-1.jpg"
                        "alt" => null
                        "width" => "680"
                        "height" => 1021
                        "path" => "/media/himiya_11/ospanova-u/0-1/103-1.webp?ts=1770662049"
                      ]
                    ]
                  ]
                  #original: array:6 [
                    "id" => 1993408
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#1113}
                    "book_page" => array:2 [
                      "refs" => "2113053"
                      "type" => "book_page"
                    ]
                    "img" => array:1 [
                      0 => array:5 [
                        "name" => "103-1.jpg"
                        "alt" => null
                        "width" => "680"
                        "height" => 1021
                        "path" => "/media/himiya_11/ospanova-u/0-1/103-1.webp?ts=1770662049"
                      ]
                    ]
                  ]
                  #changes: []
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                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "2113054"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "2113052"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#1197
              #items: array:3 [
                0 => App\Models\Task {#1207
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [
                    "id" => 2112717
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "103"
                    "field_page_end" => null
                    "field_url" => "/11-klass/himiya/mektep-ospanova-uchebnik/labrab2-3"
                    "field_display_title" => "Опыт 3"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1208
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_metatags_title" => null
                    "field_metatags_description" => null
                    "field_h1" => null
                    "field_description_top" => null
                    "field_description_bottom" => null
                    "field_match" => null
                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1209
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1210
                      #items: array:1 [
                        0 => App\Models\Branch {#1121}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1211
                      #items: array:3 [
                        0 => App\Models\Branch {#1121}
                        1 => App\Models\Branch {#1125}
                        2 => App\Models\Branch {#1130}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#1212
                      #items: array:1 [
                        0 => App\Models\Element {#1105}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "next" => array:2 [
                      "refs" => "2112718"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "2112716"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#1213
                      #items: array:1 [
                        0 => App\Models\Book {#1056}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
                      "refs" => "2113053"
                      "type" => "book_page"
                    ]
                  ]
                  #original: array:24 [
                    "id" => 2112717
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "103"
                    "field_page_end" => null
                    "field_url" => "/11-klass/himiya/mektep-ospanova-uchebnik/labrab2-3"
                    "field_display_title" => "Опыт 3"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1208}
                    "field_metatags_title" => null
                    "field_metatags_description" => null
                    "field_h1" => null
                    "field_description_top" => null
                    "field_description_bottom" => null
                    "field_match" => null
                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1209}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1210}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1211}
                    "content" => Illuminate\Database\Eloquent\Collection {#1212}
                    "next" => array:2 [
                      "refs" => "2112718"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "2112716"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#1213}
                    "page" => array:2 [
                      "refs" => "2113053"
                      "type" => "book_page"
                    ]
                  ]
                  #changes: []
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                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
                  #dispatchesEvents: []
                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
                1 => App\Models\Task {#1214
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [
                    "id" => 2112718
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "103"
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                    "field_url" => "/11-klass/himiya/mektep-ospanova-uchebnik/labrab2-4"
                    "field_display_title" => "Опыт 4"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1215
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                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1218
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                        0 => App\Models\Branch {#1121}
                        1 => App\Models\Branch {#1125}
                        2 => App\Models\Branch {#1130}
                      ]
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                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#1228
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                        0 => App\Models\Element {#1227
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
                          #keyType: "int"
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                            "id" => 1993965
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
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                                0 => App\Models\Edition {#1103}
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                            "created_at" => "2026-04-10 13:58:26"
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                            0 => "*"
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                    "book" => Illuminate\Database\Eloquent\Collection {#1220
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                        0 => App\Models\Book {#1056}
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                    "field_display_title" => "Опыт 4"
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1215}
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                    "next" => array:2 [
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                    "previous" => array:2 [
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                    "book" => Illuminate\Database\Eloquent\Collection {#1220}
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                    0 => "*"
                  ]
                }
                2 => App\Models\Task {#1221
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
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                  #attributes: array:24 [
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                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
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                    "field_display_title" => "Практическая работа №1"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1219
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                      #escapeWhenCastingToString: false
                    }
                    "field_metatags_title" => null
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                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1222
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                        0 => App\Models\Branch {#1121}
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                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#1302
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                        0 => App\Models\Branch {#1312
                          #connection: "mysql"
                          #table: "branches"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
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                          #perPage: 15
                          +exists: true
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                          #escapeWhenCastingToString: false
                          #attributes: array:24 [
                            "id" => 2112399
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Углеводороды и их природные источники"
                            "field_branch_order" => "II"
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1313
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                                0 => App\Models\Term {#1046}
                              ]
                              #escapeWhenCastingToString: false
                            }
                            "field_page_start" => "37"
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                            "field_branch_cover" => []
                            "field_branch_covers" => []
                            "book" => Illuminate\Database\Eloquent\Collection {#1314
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                                0 => App\Models\Book {#1056}
                              ]
                              #escapeWhenCastingToString: false
                            }
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1315
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                              #escapeWhenCastingToString: false
                            }
                          ]
                          #original: array:24 [
                            "id" => 2112399
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Углеводороды и их природные источники"
                            "field_branch_order" => "II"
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1313}
                            "field_page_start" => "37"
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                            "field_branch_covers" => []
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                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1315}
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                          #hidden: []
                          #visible: []
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                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                        1 => App\Models\Branch {#1316
                          #connection: "mysql"
                          #table: "branches"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:24 [
                            "id" => 2112433
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Экологические аспекты добычи, переработки углеводородов в Казахстане"
                            "field_branch_order" => "23"
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1317
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                                0 => App\Models\Term {#1126}
                              ]
                              #escapeWhenCastingToString: false
                            }
                            "field_page_start" => "98"
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                            "field_h1" => null
                            "field_description_top" => null
                            "field_description_bottom" => null
                            "field_branch_cover" => []
                            "field_branch_covers" => []
                            "book" => Illuminate\Database\Eloquent\Collection {#1318
                              #items: array:1 [
                                0 => App\Models\Book {#1056}
                              ]
                              #escapeWhenCastingToString: false
                            }
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1319
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                                0 => App\Models\Branch {#1121}
                              ]
                              #escapeWhenCastingToString: false
                            }
                          ]
                          #original: array:24 [
                            "id" => 2112433
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Экологические аспекты добычи, переработки углеводородов в Казахстане"
                            "field_branch_order" => "23"
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1317}
                            "field_page_start" => "98"
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                            "field_branch_covers" => []
                            "book" => Illuminate\Database\Eloquent\Collection {#1318}
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1319}
                          ]
                          #changes: []
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                            0 => "*"
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                        }
                        2 => App\Models\Branch {#1320
                          #connection: "mysql"
                          #table: "branches"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
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                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:24 [
                            "id" => 2112437
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "field_display_title" => "Практические работы"
                            "field_branch_order" => null
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1321
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                              #escapeWhenCastingToString: false
                            }
                            "field_page_start" => "103"
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                            "field_description_bottom" => null
                            "field_branch_cover" => []
                            "field_branch_covers" => []
                            "book" => Illuminate\Database\Eloquent\Collection {#1322
                              #items: array:1 [
                                0 => App\Models\Book {#1056}
                              ]
                              #escapeWhenCastingToString: false
                            }
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1323
                              #items: array:1 [
                                0 => App\Models\Branch {#1125}
                              ]
                              #escapeWhenCastingToString: false
                            }
                          ]
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                            "id" => 2112437
                            "created_at" => "2026-04-10 13:58:26"
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                            "field_branch_order" => null
                            "field_url" => null
                            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1321}
                            "field_page_start" => "103"
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                            "field_branch_covers" => []
                            "book" => Illuminate\Database\Eloquent\Collection {#1322}
                            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1323}
                          ]
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                          #dateFormat: null
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                          #touches: []
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                            0 => "*"
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                        }
                      ]
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                    "content" => Illuminate\Database\Eloquent\Collection {#1292
                      #items: array:1 [
                        0 => App\Models\Element {#1294
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                          #attributes: array:6 [
                            "id" => 1993973
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "edition" => Illuminate\Database\Eloquent\Collection {#1291
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                                0 => App\Models\Edition {#1103}
                              ]
                              #escapeWhenCastingToString: false
                            }
                            "task" => array:2 [
                              "refs" => "2112719"
                              "type" => "task"
                            ]
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                                "alt" => null
                                "width" => "643"
                                "height" => 361
                                "path" => "/media/himiya_11/ospanova-u/0-prakt/1-1.webp?ts=1770662145"
                              ]
                              1 => array:5 [
                                "name" => "1-2.jpg"
                                "alt" => null
                                "width" => "647"
                                "height" => 468
                                "path" => "/media/himiya_11/ospanova-u/0-prakt/1-2.webp?ts=1770662145"
                              ]
                            ]
                          ]
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                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "edition" => Illuminate\Database\Eloquent\Collection {#1291}
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                                "path" => "/media/himiya_11/ospanova-u/0-prakt/1-2.webp?ts=1770662145"
                              ]
                            ]
                          ]
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                    "next" => array:2 [
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                    "previous" => array:2 [
                      "refs" => "2112718"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#1262
                      #items: array:1 [
                        0 => App\Models\Book {#1056}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
                      "refs" => "2113053"
                      "type" => "book_page"
                    ]
                  ]
                  #original: array:24 [
                    "id" => 2112719
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
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                    "field_page_end" => null
                    "field_url" => "/11-klass/himiya/mektep-ospanova-uchebnik/prakt-1"
                    "field_display_title" => "Практическая работа №1"
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#1219}
                    "field_metatags_title" => null
                    "field_metatags_description" => null
                    "field_h1" => null
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                    "breadcrumbs" => []
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Опыт 3 (с. 103)
Условие. Опыт 3 (с. 103)
Химия, 11 класс Учебник, авторы: Оспанова Мейрамкуль Кабылбековна, Аухадиева Кырмызы Сейсенбековна, Белоусова Татьяна Геннадьевна, издательство Мектеп, Алматы, 2020, страница 103, Условие
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