1.2Ca+O2=2CaO
2.2CaO+2Cl2=2CaCl2+O2
3.CaCl2+H2SO4=CaSO4+2HCl
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1.2Ca+O2=2CaO
2.2CaO+2Cl2=2CaCl2+O2
3.CaCl2+H2SO4=CaSO4+2HCl