Ответ:
1)2Ca+O2=2CaO
2)CaO+2H2O=Ca(OH)2+H2
3)Ca(OH)2+H2CO3=CaCO3+2H2O
4)CaCO3=CaO+CO2
5)3CaO+2Al=Al2O3+3Ca
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Ответ:
1)2Ca+O2=2CaO
2)CaO+2H2O=Ca(OH)2+H2
3)Ca(OH)2+H2CO3=CaCO3+2H2O
4)CaCO3=CaO+CO2
5)3CaO+2Al=Al2O3+3Ca