Предмет: Химия, автор: fhs3

опредилить класс веществ :SiO2,Ca(OH)2,CuCL2,Na2Co3

Ответы

Автор ответа: semenaks

SiO2 кислотный оксид; Ca(OH)2 основание; CUCL2 соль; Na2CO3 соль

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