Предмет: Химия, автор: Vjc

1.Fe3O4+Ca 2.CaCO3+HNO3 3.BaSO4+ZnCl2 4.CuO+H2O

Ответы

Автор ответа: РомаКрым

0

1.Fe3O4+4Ca=4CaO+3Fe
2.CaCO3+2HNO3=Ca(NO3)2+2H2O+CO2

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