Предмет: Химия, автор: Anoli

Визначте характер оксиду СаО. Підтвердіть це відповідними рівнянням реакцій.Помогите пожалуста))))

Ответы

Автор ответа: AnnKalevich

СаО - основной оксид. Как основной оксид он реагирует с:

1. кислотами (образуется соль и вода)

CaO + 2HCl = CaCl2 + H2O

2. кислотными оксидами (образуется соль)

СаО + СО2 = СаСО3

3. водой (образуется основание)

СаО + Н2О = Са(ОН)2

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