1. MgSO₄ + Ba(NO₃)₂=Mg(NO₃)₂ + BaSO₄↓
Mg²⁺ + SO₄²⁻ + Ba²⁺ +2NO₃⁻=Mg²⁺ + 2NO₃⁻ + BaSO₄↓
SO₄²⁻ + Ba²⁺ = BaSO₄↓
2. MgCI₂ + Ba(NO₃)₂ ≠
3. BaCI₂ + Mg(NO₃)₂ ≠
4. BaSO₄ + Mg(NO₃)₂ ≠
5. Ag⁺ + NO₃⁻ + Na⁺ + CI⁻= Na⁺ + NO₃⁻ + AgCI↓
Ag⁺ + CI⁻= AgCI↓
6. MgCI₂+Na₂SO₄≠
7. 2K⁺ + CO₃²⁻ + 2H⁺ + 2CI⁻ = 2K⁺ + CI⁻ + CO₂↑ +H₂O
CO₃²⁻ + 2H⁺ = CO₂↑ +H₂O
8. 3H⁺ +PO₄³⁻ + 3K⁺ + 3OH⁻ = 3K⁺ + PO₄³⁻ +3H₂O
3H⁺ +3OH⁻ = 3H₂O
9. Cu(OH)₂ + 2H⁺ + SO₄²⁻ = Cu²⁺ + SO₄²⁻ +H₂O
Cu(OH)₂ + 2H⁺ = Cu²⁺ +H₂O
10. CaCO₃ + 2H⁺ + 2CI⁻ = Ca²⁺ + 2CI⁻ + CO₂↑ + H₂O
CaCO₃ + 2H⁺ + = Ca²⁺ + CO₂↑ + H₂O
11. 2K⁺ + 2OH⁻ + Zn²⁺ + 2NO₃⁻ = 2K⁺ +2NO₃⁻ + Zn(OH)₂↓
2OH⁻ + Zn²⁺ = Zn(OH)₂↓
12. 2Na⁺ + CO₃²⁻ + Ca²⁺ + 2CI⁻= 2Na⁺ + 2CI⁻ + CaCO₃↓
CO₃²⁻ + Ca²⁺ = CaCO₃↓
13. AI₂O₃ + 6H⁺ + 6CI⁻ = 2AI³⁺ +6CI⁻ + 3H₂O
AI₂O₃ + 6H⁺ = 2AI³⁺ + 3H₂O
14. Pb²⁺ +2NO₃⁻ + 2K⁺ + CrO₄²⁻ = 2K⁺ + 2NO₃⁻ + PbCrO₄↓
Pb²⁺ + CrO₄²⁻ = PbCrO₄↓
15. AIPO₄ + KOH≠
16. AI³⁺ +3NO₃⁻ + 3Na⁺ + 3OH⁻ = 3Na⁺ + 3NO₃⁻ + AI(OH)₃↓
AI³⁺ + 3OH⁻ = AI(OH)₃↓
17. Ba²⁺ + 2OH⁻ + 2H⁺ + SO₄²⁻ = BaSO₄↓ + H₂O
18. 2K⁺ + 2OH⁻ + 2H⁺ + SO₄²⁻ = 2K⁺ + SO₄²⁻ + 2H₂O
2OH⁻ + 2H⁺ = 2H₂O
19. Cu(OH)₂ + 2H⁺ + SO₄²⁻ = Cu²⁺ + SO₄²⁻ + 2H₂O
Cu(OH)₂ + 2H⁺ = Cu²⁺ + 2H₂O
20. Ba²⁺ + 2CI⁻ + 2K⁺ + CrO₄²⁻ = 2K⁺ + 2CI⁻ + BaCrO₄↓
Ba²⁺ + CrO₄²⁻ = BaCrO₄↓
21. Ag⁺ + NO₃⁻ + K⁺ + Br⁻ = K⁺ + NO₃⁻ + AgBr↓
Ag⁺ + Br⁻ = AgBr↓
22. Ag⁺ + NO₃⁻ + Na⁺ + CI⁻ = Na⁺ + NO₃⁻ + AgCI↓
Ag⁺ + CI⁻ = AgCI↓
23. AI³⁺ + 3CI⁻ + 3Na⁺ + 3OH⁻ = 3Na⁺ + 3CI⁻ + AI(OH)₃↓
AI³⁺ + 3OH⁻ = AI(OH)₃↓
24. ZnCO₃ + 2H⁺ + 2CI⁻= Zn²⁺ + 2CI⁻ + CO₂↑ + H₂O
ZnCO₃ + 2H⁺ = Zn²⁺ + CO₂↑ + H₂O
25. 2Na⁺ + SO₃²⁻ + 2H⁺ + 2CI⁻ = 2Na⁺ + 2CI⁻ + SO₂↑ + H₂O
SO₃²⁻ + 2H⁺ = SO₂↑ + H₂O