Ответ:
1.Ca+2HCl=CaCl2+H2
2.CaCl2+2H2O=Ca(OH)2+Cl2+H2
3.Ca(OH)2+H2SO4=CaSO4+H2
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Ответ:
1.Ca+2HCl=CaCl2+H2
2.CaCl2+2H2O=Ca(OH)2+Cl2+H2
3.Ca(OH)2+H2SO4=CaSO4+H2