Ответ:
1)-2Ca+O2=2CaO
2)-CaO+H2O=Ca(OH)2
3)-Ca(OH)2+H2SO4=CaSO4+2H2O
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Ответ:
1)-2Ca+O2=2CaO
2)-CaO+H2O=Ca(OH)2
3)-Ca(OH)2+H2SO4=CaSO4+2H2O