1)CaO + 2HCl = CaCl₂ +H₂O
2)SO2 + CaO =CaSO₃
3)CaO + N₂O₅ = Ca(NO₃)₂
4)Cu(OH)₂ +2HCl =CuCl₂ +2H₂O
5)Cu(OH)₂ + H₂S = CuS +2H₂O
6)2HCl + SO2 = Cl2O +H₂O
7)S₂Cl₂ +2H₂O = H₂S + SO₂ +2HCl
1)CaO + 2HCl = CaCl₂ +H₂O
2)SO2 + CaO =CaSO₃
3)CaO + N₂O₅ = Ca(NO₃)₂
4)Cu(OH)₂ +2HCl =CuCl₂ +2H₂O
5)Cu(OH)₂ + H₂S = CuS +2H₂O
6)2HCl + SO2 = Cl2O +H₂O
7)S₂Cl₂ +2H₂O = H₂S + SO₂ +2HCl