Презентация по химии на тему "Чистые вещества. Смеси " 8 класс

object(ArrayObject)#851 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(84) "презентация к уроку  "Чистые вещества и смеси" "
    ["seo_title"] => string(55) "priezientatsiia-k-uroku-chistyie-vieshchiestva-i-smiesi"
    ["file_id"] => string(6) "101582"
    ["category_seo"] => string(6) "himiya"
    ["subcategory_seo"] => string(11) "presentacii"
    ["date"] => string(10) "1402422590"
  }
}

object(ArrayObject)#873 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(43) "Чистые вещества и смеси"
    ["seo_title"] => string(33) "chistyie_vieshchiestva_i_smiesi_1"
    ["file_id"] => string(6) "456830"
    ["category_seo"] => string(6) "himiya"
    ["subcategory_seo"] => string(11) "presentacii"
    ["date"] => string(10) "1518448437"
  }
}

object(ArrayObject)#851 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(104) "Среднесрочное планирование серии уроков по химии 8класс "
    ["seo_title"] => string(62) "sriedniesrochnoie-planirovaniie-sierii-urokov-po-khimii-8klass"
    ["file_id"] => string(6) "105103"
    ["category_seo"] => string(6) "himiya"
    ["subcategory_seo"] => string(12) "planirovanie"
    ["date"] => string(10) "1402818823"
  }
}

object(ArrayObject)#873 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(50) "Путешествие в страну химии "
    ["seo_title"] => string(31) "putieshiestviie-v-stranu-khimii"
    ["file_id"] => string(6) "181459"
    ["category_seo"] => string(6) "himiya"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1425358993"
  }
}

object(ArrayObject)#851 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(94) "Урок по теме «Водород»  8 класс  Презентация к уроку "
    ["seo_title"] => string(54) "urok-po-tiemie-vodorod-8-klass-priezientatsiia-k-uroku"
    ["file_id"] => string(6) "210360"
    ["category_seo"] => string(6) "himiya"
    ["subcategory_seo"] => string(11) "presentacii"
    ["date"] => string(10) "1431428915"
  }
}