Страница 49, часть 2 - гдз по химии 10 класс учебник часть 1, 2 Оспанова, Аухадиева

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

Тип: Учебник

Издательство: Мектеп

Год издания: 2019 - 2026

Часть: 2

Цвет обложки: синий

ISBN: Часть 1 978-601-07-1188-4 Часть 2 978-601-07-1189-1

Часть 2. Cтраница 49

App\Models\BookPage {#1003 // resources/views/models/book_page/default.blade.php
  #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" => 2171716
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "49"
    "field_url" => "/10-klass/himiya/mektep-ospanova-uchebnik/page2-49"
    "field_display_title" => "49"
    "field_folder" => "page2"
    "field_image_name" => "49"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1015
      #items: array:1 [
        0 => App\Models\Branch {#1014
          #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" => 2170067
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_display_title" => null
            "field_branch_order" => "2"
            "field_url" => null
            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1019
              #items: array:1 [
                0 => App\Models\Term {#1016
                  #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" => 31
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Часть"
                    "field_cases" => array:6 [
                      "field_accusative_case" => "Часть"
                      "field_creative_case" => "Частью"
                      "field_dative_case" => "Части"
                      "field_genitive_case" => "Части"
                      "field_nominative_case" => "Часть"
                      "field_prepositional_case" => "Части"
                    ]
                    "field_page_check_not_needed" => "1"
                    "field_short_name" => "ч."
                  ]
                  #original: array:7 [
                    "id" => 31
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "name" => "Часть"
                    "field_cases" => array:6 [
                      "field_accusative_case" => "Часть"
                      "field_creative_case" => "Частью"
                      "field_dative_case" => "Части"
                      "field_genitive_case" => "Части"
                      "field_nominative_case" => "Часть"
                      "field_prepositional_case" => "Части"
                    ]
                    "field_page_check_not_needed" => "1"
                    "field_short_name" => "ч."
                  ]
                  #changes: []
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                  #visible: []
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                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_page_start" => "5"
            "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 {#1049
              #items: array:1 [
                0 => App\Models\Book {#1018
                  #connection: "mysql"
                  #table: "books"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:50 [
                    "id" => 9888
                    "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 {#1020
                      #items: array:1 [
                        0 => App\Models\Term {#1017
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
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                          #withCount: []
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                          #escapeWhenCastingToString: false
                          #attributes: array:10 [
                            "id" => 6495
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Химия"
                            "field_abbreviated_name" => null
                            "field_cases" => array:6 [
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                              "field_nominative_case" => "химия"
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                            ]
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                            "field_short_name" => null
                            "field_subject_type" => "technical_subject"
                            "field_translit" => "himiya"
                          ]
                          #original: array:10 [
                            "id" => 6495
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                            "updated_at" => null
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                            "field_abbreviated_name" => null
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                              "field_nominative_case" => "химия"
                              "field_prepositional_case" => "химии"
                            ]
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                            "field_short_name" => null
                            "field_subject_type" => "technical_subject"
                            "field_translit" => "himiya"
                          ]
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                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
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                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [
                            0 => "*"
                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_class" => Illuminate\Database\Eloquent\Collection {#1021
                      #items: array:1 [
                        0 => App\Models\Term {#1022
                          #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" => 5459
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "10"
                            "field_cases" => array:6 [
                              "field_accusative_case" => "десятый"
                              "field_creative_case" => "десятым"
                              "field_dative_case" => "десятому"
                              "field_genitive_case" => "десятого"
                              "field_nominative_case" => "десятый"
                              "field_prepositional_case" => "десятом"
                            ]
                            "field_translit" => "desjatyj"
                          ]
                          #original: array:6 [
                            "id" => 5459
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "10"
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                              "field_genitive_case" => "десятого"
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                              "field_prepositional_case" => "десятом"
                            ]
                            "field_translit" => "desjatyj"
                          ]
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                      ]
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                      #items: array:1 [
                        0 => App\Models\Term {#1024
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                          #table: "terms"
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                          #keyType: "int"
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                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
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                            ]
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                          ]
                          #original: array:6 [
                            "id" => 6996
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Мектеп"
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                            ]
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                          ]
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                          #dateFormat: null
                          #appends: []
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                          #visible: []
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                          ]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_author" => Illuminate\Database\Eloquent\Collection {#1025
                      #items: array:3 [
                        0 => App\Models\Term {#1026
                          #connection: "mysql"
                          #table: "terms"
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                          #keyType: "int"
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                          #with: []
                          #withCount: []
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                          #escapeWhenCastingToString: false
                          #attributes: array:12 [
                            "id" => 7170
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Оспанова"
                            "field_bio" => null
                            "field_degree_rp" => null
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                            "field_foreign_lang_patronymic" => null
                            "field_foreign_lang_surname" => null
                            "field_name" => "Мейрамкуль"
                            "field_patronymic" => "Кабылбековна"
                            "field_surname_rp" => null
                          ]
                          #original: array:12 [
                            "id" => 7170
                            "created_at" => "2026-04-10 13:58:26"
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                          ]
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                          ]
                        }
                        1 => App\Models\Term {#1027
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
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                            "created_at" => "2026-04-10 13:58:26"
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                            "field_foreign_lang_patronymic" => null
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                            "field_name" => "Кырмызы"
                            "field_patronymic" => "Сейсенбековна"
                            "field_surname_rp" => null
                          ]
                          #original: array:12 [
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                            "field_surname_rp" => null
                          ]
                          #changes: []
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                        2 => App\Models\Term {#1028
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
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                          #attributes: array:12 [
                            "id" => 7172
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
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                            "field_bio" => null
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                            "field_foreign_lang_patronymic" => null
                            "field_foreign_lang_surname" => null
                            "field_name" => "Татьяна"
                            "field_patronymic" => "Геннадьевна"
                            "field_surname_rp" => null
                          ]
                          #original: array:12 [
                            "id" => 7172
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Белоусова"
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                          ]
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                      ]
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                    "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1029
                      #items: []
                      #escapeWhenCastingToString: false
                    }
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                      #items: array:1 [
                        0 => App\Models\Term {#1031
                          #connection: "mysql"
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                          #attributes: array:10 [
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                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
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                    "field_country" => Illuminate\Database\Eloquent\Collection {#1032
                      #items: array:1 [
                        0 => App\Models\Term {#1033
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                            "created_at" => "2026-04-10 13:58:26"
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                          ]
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                          ]
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                      ]
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                    }
                    "field_city" => Illuminate\Database\Eloquent\Collection {#1034
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                        0 => App\Models\Term {#1035
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
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                          #attributes: array:6 [
                            "id" => 6995
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                            ]
                            "field_translit" => "almaty"
                          ]
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                            "id" => 6995
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
                            "name" => "Алматы"
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                            ]
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                          ]
                        }
                      ]
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                    }
                    "field_series" => Illuminate\Database\Eloquent\Collection {#1036
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_umk" => Illuminate\Database\Eloquent\Collection {#1037
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1038
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1039
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_publication_number" => null
                    "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1040
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1041
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_under_the_edition_degree" => null
                    "field_cover_description" => null
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                    "field_part" => "1, 2"
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                    "field_default_folder" => "/himiya_10/ospanova-u/"
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                    "field_cover" => array:2 [
                      0 => "/media/himiya_10/ospanova-u/covers/cover1.webp?ts=1771356010"
                      1 => "/media/himiya_10/ospanova-u/covers/cover2.webp?ts=1771356010"
                    ]
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                      0 => ""
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                    "field_covers" => array:2 [
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                      ]
                      1 => array:4 [
                        "path" => "/media/himiya_10/ospanova-u/covers/cover2.webp?ts=1771356010"
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                      ]
                    ]
                    "field_popular_book" => "0"
                    "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1042
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                      #escapeWhenCastingToString: false
                    }
                    "field_new_book" => Illuminate\Database\Eloquent\Collection {#1043
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                      #escapeWhenCastingToString: false
                    }
                    "field_old_book" => Illuminate\Database\Eloquent\Collection {#1044
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_url" => "/10-klass/himiya/mektep-ospanova-uchebnik"
                    "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1045
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                        0 => App\Models\Term {#1046
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
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                          #withCount: []
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                          #perPage: 15
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                          #attributes: array:6 [
                            "id" => 49
                            "created_at" => "2026-04-10 13:58:26"
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                            ]
                            "field_translit" => "siniy"
                          ]
                          #original: array:6 [
                            "id" => 49
                            "created_at" => "2026-04-10 13:58:26"
                            "updated_at" => null
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                            ]
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                          ]
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                      ]
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                      "class_subject" => 500
                    ]
                  ]
                  #original: array:50 [
                    "id" => 9888
                    "created_at" => "2026-04-10 13:58:26"
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                    "field_tree_default_status" => "tasks"
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                    "field_subject" => Illuminate\Database\Eloquent\Collection {#1020}
                    "field_class" => Illuminate\Database\Eloquent\Collection {#1021}
                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1023}
                    "field_author" => Illuminate\Database\Eloquent\Collection {#1025}
                    "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1029}
                    "field_book_type" => Illuminate\Database\Eloquent\Collection {#1030}
                    "field_country" => Illuminate\Database\Eloquent\Collection {#1032}
                    "field_city" => Illuminate\Database\Eloquent\Collection {#1034}
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                    "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1039}
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                    "field_part" => "1, 2"
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                    "field_second_foreign_language" => null
                    "field_for_whom" => "Учебник для 10 класса общественно-гуманитарного направления общеобразовательных школ"
                    "field_allowed" => null
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                    "field_link_to_source" => null
                    "field_tasks_count" => "602"
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                    "field_default_folder" => "/himiya_10/ospanova-u/"
                    "field_isbn" => "Часть 1 978-601-07-1188-4 Часть 2 978-601-07-1189-1"
                    "field_cover" => array:2 [
                      0 => "/media/himiya_10/ospanova-u/covers/cover1.webp?ts=1771356010"
                      1 => "/media/himiya_10/ospanova-u/covers/cover2.webp?ts=1771356010"
                    ]
                    "field_cover_alts" => array:2 [
                      0 => ""
                      1 => ""
                    ]
                    "field_covers" => array:2 [
                      0 => array:4 [
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                        "alt" => ""
                        "width" => "500"
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                      ]
                      1 => array:4 [
                        "path" => "/media/himiya_10/ospanova-u/covers/cover2.webp?ts=1771356010"
                        "alt" => ""
                        "width" => "500"
                        "height" => "714"
                      ]
                    ]
                    "field_popular_book" => "0"
                    "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1042}
                    "field_new_book" => Illuminate\Database\Eloquent\Collection {#1043}
                    "field_old_book" => Illuminate\Database\Eloquent\Collection {#1044}
                    "field_url" => "/10-klass/himiya/mektep-ospanova-uchebnik"
                    "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1045}
                    "field_metatags_title" => null
                    "field_metatags_description" => null
                    "field_h1" => null
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                    "field_description_bottom" => null
                    "breadcrumbs" => array:3 [
                      "class" => 381
                      "subject" => 558
                      "class_subject" => 500
                    ]
                  ]
                  #changes: []
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                  #attributeCastCache: []
                  #dateFormat: null
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                  #dispatchesEvents: []
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                  #touches: []
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                  #visible: []
                  #fillable: []
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                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1047
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              #escapeWhenCastingToString: false
            }
          ]
          #original: array:24 [
            "id" => 2170067
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_display_title" => null
            "field_branch_order" => "2"
            "field_url" => null
            "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1019}
            "field_page_start" => "5"
            "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
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            "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 {#1049}
            "branch_parent" => Illuminate\Database\Eloquent\Collection {#1047}
          ]
          #changes: []
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            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1006
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        0 => App\Models\Book {#1018}
      ]
      #escapeWhenCastingToString: false
    }
    "field_metatags_title" => null
    "field_metatags_description" => null
    "field_h1" => null
    "field_description_top" => null
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    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1007
      #items: []
      #escapeWhenCastingToString: false
    }
    "content" => Illuminate\Database\Eloquent\Collection {#1053
      #items: array:1 [
        0 => App\Models\Element {#1052
          #connection: "mysql"
          #table: "elements"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
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          #perPage: 15
          +exists: true
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          #escapeWhenCastingToString: false
          #attributes: array:6 [
            "id" => 2031903
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "edition" => Illuminate\Database\Eloquent\Collection {#1062
              #items: array:1 [
                0 => App\Models\Edition {#1054
                  #connection: "mysql"
                  #table: "editions"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
                  #with: []
                  #withCount: []
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                  #perPage: 15
                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:21 [
                    "id" => 9470
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "title" => "Условие"
                    "field_order" => "1"
                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1056
                      #items: array:1 [
                        0 => App\Models\Term {#1055
                          #connection: "mysql"
                          #table: "terms"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: false
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
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                          #escapeWhenCastingToString: false
                          #attributes: array:6 [ …6]
                          #original: array:6 [ …6]
                          #changes: []
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                          #dateFormat: null
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                          #touches: []
                          +timestamps: true
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                          #visible: []
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                          #guarded: array:1 [ …1]
                        }
                      ]
                      #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 {#1057
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_comment" => null
                    "field_similar_book" => Illuminate\Database\Eloquent\Collection {#1058
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_process_formula" => ""
                    "field_edition_group" => Illuminate\Database\Eloquent\Collection {#1059
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "field_content_source" => null
                  ]
                  #original: array:21 [
                    "id" => 9470
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "title" => "Условие"
                    "field_order" => "1"
                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1056}
                    "field_content_type" => "free"
                    "field_content_mode" => "text, image"
                    "field_page_content_mode" => "image"
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                    "field_page_content_text_checked" => "0"
                    "field_solution_author" => "Автор"
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                    "field_edition_type" => "statement"
                    "field_root_dir" => "0-"
                    "field_responsible" => Illuminate\Database\Eloquent\Collection {#1057}
                    "field_comment" => null
                    "field_similar_book" => Illuminate\Database\Eloquent\Collection {#1058}
                    "field_process_formula" => ""
                    "field_edition_group" => Illuminate\Database\Eloquent\Collection {#1059}
                    "field_content_source" => null
                  ]
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                  #attributeCastCache: []
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                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "book_page" => array:2 [
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              "type" => "book_page"
            ]
            "img" => array:1 [
              0 => array:5 [
                "name" => "49-1.jpg"
                "alt" => null
                "width" => "650"
                "height" => 943
                "path" => "/media/himiya_10/ospanova-u/0-page2/49-1.webp?ts=1773568743"
              ]
            ]
          ]
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            "updated_at" => null
            "edition" => Illuminate\Database\Eloquent\Collection {#1062}
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              "refs" => "2171716"
              "type" => "book_page"
            ]
            "img" => array:1 [
              0 => array:5 [
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                "alt" => null
                "width" => "650"
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              ]
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            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "next" => Illuminate\Database\Eloquent\Collection {#4465
      #items: array:1 [
        0 => App\Models\BookPage {#4466
          #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" => 2171717
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "50"
            "field_url" => "/10-klass/himiya/mektep-ospanova-uchebnik/page2-50"
            "field_display_title" => "50"
            "field_folder" => "page2"
            "field_image_name" => "50"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#4478
              #items: array:1 [
                0 => App\Models\Branch {#4531
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
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                  #perPage: 15
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                  #escapeWhenCastingToString: false
                  #attributes: array:24 [
                    "id" => 2170067
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_display_title" => null
                    "field_branch_order" => "2"
                    "field_url" => null
                    "field_branch_type" => Illuminate\Database\Eloquent\Collection {#4532
                      #items: array:1 [
                        0 => App\Models\Term {#1016}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_page_start" => "5"
                    "field_branch_display" => "0"
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                    "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
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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 {#4533
                      #items: array:1 [
                        0 => App\Models\Book {#1018}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "branch_parent" => Illuminate\Database\Eloquent\Collection {#4534
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                  ]
                  #original: array:24 [
                    "id" => 2170067
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                    "field_url" => null
                    "field_branch_type" => Illuminate\Database\Eloquent\Collection {#4532}
                    "field_page_start" => "5"
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                    "field_branch_cover" => []
                    "field_branch_covers" => []
                    "book" => Illuminate\Database\Eloquent\Collection {#4533}
                    "branch_parent" => Illuminate\Database\Eloquent\Collection {#4534}
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                    0 => "*"
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                }
              ]
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            "field_weight" => "0"
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                0 => App\Models\Book {#1018}
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#4475
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            "content" => Illuminate\Database\Eloquent\Collection {#4546
              #items: array:1 [
                0 => App\Models\Element {#4545
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                  #table: "elements"
                  #primaryKey: "id"
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                  #attributes: array:6 [
                    "id" => 2031904
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#4542
                      #items: array:1 [
                        0 => App\Models\Edition {#1054}
                      ]
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                    }
                    "book_page" => array:2 [
                      "refs" => "2171717"
                      "type" => "book_page"
                    ]
                    "img" => array:1 [
                      0 => array:5 [
                        "name" => "50-1.jpg"
                        "alt" => null
                        "width" => "650"
                        "height" => 943
                        "path" => "/media/himiya_10/ospanova-u/0-page2/50-1.webp?ts=1773568743"
                      ]
                    ]
                  ]
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                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#4542}
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                      "refs" => "2171717"
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                    ]
                    "img" => array:1 [
                      0 => array:5 [
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                        "alt" => null
                        "width" => "650"
                        "height" => 943
                        "path" => "/media/himiya_10/ospanova-u/0-page2/50-1.webp?ts=1773568743"
                      ]
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                    0 => "*"
                  ]
                }
              ]
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            "next" => array:2 [
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              "refs" => "2171716"
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            "tasks" => Illuminate\Database\Eloquent\Collection {#4469
              #items: array:2 [
                0 => App\Models\Task {#4561
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
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                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:24 [
                    "id" => 2170566
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "50"
                    "field_page_end" => null
                    "field_url" => "/10-klass/himiya/mektep-ospanova-uchebnik/47vopr-1"
                    "field_display_title" => "1"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4562
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                        0 => App\Models\Term {#4482
                          #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 [ …6]
                          #original: array:6 [ …6]
                          #changes: []
                          #casts: []
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                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "field_metatags_title" => null
                    "field_metatags_description" => null
                    "field_h1" => null
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                    "field_description_bottom" => null
                    "field_match" => null
                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#4563
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4564
                      #items: array:1 [
                        0 => App\Models\Branch {#4531}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4640
                      #items: array:4 [
                        0 => App\Models\Branch {#4650
                          #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 [ …24]
                          #original: array:24 [ …24]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
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                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                        1 => App\Models\Branch {#4654
                          #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 [ …24]
                          #original: array:24 [ …24]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                        2 => App\Models\Branch {#4658
                          #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 [ …24]
                          #original: array:24 [ …24]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                        3 => App\Models\Branch {#4662
                          #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 [ …24]
                          #original: array:24 [ …24]
                          #changes: []
                          #casts: []
                          #classCastCache: []
                          #attributeCastCache: []
                          #dateFormat: null
                          #appends: []
                          #dispatchesEvents: []
                          #observables: []
                          #relations: []
                          #touches: []
                          +timestamps: true
                          +usesUniqueIds: false
                          #hidden: []
                          #visible: []
                          #fillable: []
                          #guarded: array:1 [ …1]
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4629
                      #items: array:1 [
                        0 => App\Models\Element {#4631
                          #connection: "mysql"
                          #table: "elements"
                          #primaryKey: "id"
                          #keyType: "int"
                          +incrementing: true
                          #with: []
                          #withCount: []
                          +preventsLazyLoading: false
                          #perPage: 15
                          +exists: true
                          +wasRecentlyCreated: false
                          #escapeWhenCastingToString: false
                           …18
                        }
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "next" => array:2 [
                      "refs" => "2170567"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "2170565"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#4599
                      #items: array:1 [
                        0 => App\Models\Book {#1018}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
                      "refs" => "2171717"
                      "type" => "book_page"
                    ]
                  ]
                  #original: array:24 [
                    "id" => 2170566
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "field_page_start" => "50"
                    "field_page_end" => null
                    "field_url" => "/10-klass/himiya/mektep-ospanova-uchebnik/47vopr-1"
                    "field_display_title" => "1"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4562}
                    "field_metatags_title" => null
                    "field_metatags_description" => null
                    "field_h1" => null
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                    "field_description_bottom" => null
                    "field_match" => null
                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#4563}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4564}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4640}
                    "content" => Illuminate\Database\Eloquent\Collection {#4629}
                    "next" => array:2 [
                      "refs" => "2170567"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "2170565"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#4599}
                    "page" => array:2 [
                      "refs" => "2171717"
                      "type" => "book_page"
                    ]
                  ]
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                    0 => "*"
                  ]
                }
                1 => App\Models\Task {#4632
                  #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" => 2170567
                    "created_at" => "2026-04-10 13:58:26"
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                    "field_url" => "/10-klass/himiya/mektep-ospanova-uchebnik/47vopr-2"
                    "field_display_title" => "2"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#4648
                      #items: array:1 [
                        0 => App\Models\Term {#4482}
                      ]
                      #escapeWhenCastingToString: false
                    }
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#4636
                      #items: []
                      #escapeWhenCastingToString: false
                    }
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4633
                      #items: array:1 [
                        0 => App\Models\Branch {#4650}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4603
                      #items: array:4 [
                        0 => App\Models\Branch {#4650}
                        1 => App\Models\Branch {#4654}
                        2 => App\Models\Branch {#4658}
                        3 => App\Models\Branch {#4662}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "content" => Illuminate\Database\Eloquent\Collection {#4620
                      #items: array:1 [
                        0 => App\Models\Element {#4619 …30}
                      ]
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                    }
                    "next" => array:2 [
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                    "book" => Illuminate\Database\Eloquent\Collection {#4627
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                        0 => App\Models\Book {#1018}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "page" => array:2 [
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                    ]
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                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#4636}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#4633}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#4603}
                    "content" => Illuminate\Database\Eloquent\Collection {#4620}
                    "next" => array:2 [
                      "refs" => "2170568"
                      "type" => "task"
                    ]
                    "previous" => array:2 [
                      "refs" => "2170566"
                      "type" => "task"
                    ]
                    "book" => Illuminate\Database\Eloquent\Collection {#4627}
                    "page" => array:2 [
                      "refs" => "2171717"
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                    ]
                  ]
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                    0 => "*"
                  ]
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              ]
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          ]
          #original: array:21 [
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            "updated_at" => null
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            "field_display_title" => "50"
            "field_folder" => "page2"
            "field_image_name" => "50"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#4478}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#4476}
            "field_metatags_title" => null
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#4475}
            "content" => Illuminate\Database\Eloquent\Collection {#4546}
            "next" => array:2 [
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              "type" => "book_page"
            ]
            "previous" => array:2 [
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              "type" => "book_page"
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            "tasks" => Illuminate\Database\Eloquent\Collection {#4469}
          ]
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            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "previous" => Illuminate\Database\Eloquent\Collection {#4460
      #items: array:1 [
        0 => App\Models\BookPage {#4459
          #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" => 2171715
            "created_at" => "2026-04-10 13:58:26"
            "updated_at" => null
            "field_page_start" => "48"
            "field_url" => "/10-klass/himiya/mektep-ospanova-uchebnik/page2-48"
            "field_display_title" => "48"
            "field_folder" => "page2"
            "field_image_name" => "48"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#4461
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                0 => App\Models\Branch {#1014}
              ]
              #escapeWhenCastingToString: false
            }
            "field_weight" => "0"
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                0 => App\Models\Book {#1018}
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            "field_metatags_title" => null
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            "edition_groups" => Illuminate\Database\Eloquent\Collection {#4463
              #items: []
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#4473
              #items: array:1 [
                0 => App\Models\Element {#4472
                  #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" => 2031902
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#4474
                      #items: array:1 [
                        0 => App\Models\Edition {#1054}
                      ]
                      #escapeWhenCastingToString: false
                    }
                    "book_page" => array:2 [
                      "refs" => "2171715"
                      "type" => "book_page"
                    ]
                    "img" => array:1 [
                      0 => array:5 [
                        "name" => "48-1.jpg"
                        "alt" => null
                        "width" => "650"
                        "height" => 943
                        "path" => "/media/himiya_10/ospanova-u/0-page2/48-1.webp?ts=1773568743"
                      ]
                    ]
                  ]
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                    "id" => 2031902
                    "created_at" => "2026-04-10 13:58:26"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#4474}
                    "book_page" => array:2 [
                      "refs" => "2171715"
                      "type" => "book_page"
                    ]
                    "img" => array:1 [
                      0 => array:5 [
                        "name" => "48-1.jpg"
                        "alt" => null
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            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#4461}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#4462}
            "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 {#4463}
            "content" => Illuminate\Database\Eloquent\Collection {#4473}
            "next" => array:2 [
              "refs" => "2171716"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "2171714"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#4464}
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "tasks" => Illuminate\Database\Eloquent\Collection {#1011
      #items: []
      #escapeWhenCastingToString: false
    }
  ]
  #original: array:21 [
    "id" => 2171716
    "created_at" => "2026-04-10 13:58:26"
    "updated_at" => null
    "field_page_start" => "49"
    "field_url" => "/10-klass/himiya/mektep-ospanova-uchebnik/page2-49"
    "field_display_title" => "49"
    "field_folder" => "page2"
    "field_image_name" => "49"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1015}
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1006}
    "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 {#1007}
    "content" => Illuminate\Database\Eloquent\Collection {#1053}
    "next" => array:2 [
      "refs" => "2171717"
      "type" => "book_page"
    ]
    "previous" => array:2 [
      "refs" => "2171715"
      "type" => "book_page"
    ]
    "tasks" => Illuminate\Database\Eloquent\Collection {#1011}
  ]
  #changes: []
  #casts: []
  #classCastCache: []
  #attributeCastCache: []
  #dateFormat: null
  #appends: []
  #dispatchesEvents: []
  #observables: []
  #relations: []
  #touches: []
  +timestamps: true
  +usesUniqueIds: false
  #hidden: []
  #visible: []
  #fillable: []
  #guarded: array:1 [
    0 => "*"
  ]
}
Химия, 10 класс Учебник, авторы: Оспанова Мейрамкуль Кабылбековна, Аухадиева Кырмызы Сейсенбековна, Белоусова Татьяна Геннадьевна, издательство Мектеп, Алматы, 2019, страница 49
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