1. 3NaOH + H₃PO₄= Na₃PO₄ + 3H₂O
2.MgO +H₂SO₄=MgSO₄ + H₂O
3.H₂SO₄ + 2NaOH = Na₂SO₄ + 2H₂O
4.Al₂S₃+6HNO₃= 2AI(NO₃)₃ + 3H₂S↑
5.CaCO₃+2HCI = CaCI₂ + CO₂↑ + H₂O
6.AgNO₃+HCl = AgCI↓ + HNO₃
7.3Mg+2H₃PO₄ = Mg₃(PO₄)₂ + 3H₂↑
8.P₂O₅ +3H₂O=2H₃PO₄
9.Cu(NO₃)₂ +Zn = Zn(NO₃)₂ + Cu↓
10.Na₂CO₃+ 2HNO₃=2NaNO₃ + CO₂↑ +H₂O
11.Mg(OH)₂ +H₂SO₄ = MgSO₄ + 2H₂O
12.Al₂O₃+6HCI=2AICI₃ + 3H₂O