Объяснение:
1) 2Са+ O2= 2CaO
2) CaO+ H2O= Ca(OH)2
3l CaOH+ H2CO3= CaCO3+ H2O
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Объяснение:
1) 2Са+ O2= 2CaO
2) CaO+ H2O= Ca(OH)2
3l CaOH+ H2CO3= CaCO3+ H2O