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4 Views · 04/06/20
Реакция обмена
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04/06/20
Реакция обмена. Опыт. Химия 8 класс
Реакция обмена — это химическая реакция между двумя сложными веществами, в ходе которых они обмениваются составными частями.
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4 Views · 04/06/20
