1. Silver nitrate solution + hydrochloric acid →
2. Magnesium foil + hydrochloric acid →
3. Caustic soda solution + hydrochloric acid →
4. Zinc carbonate + hydrochloric acid →
5. Copper oxide + hydrochloric acid →
Answers:
1. AgNO3 + HCl → AgCl ↓+ HNO3
2. Mg + HCl → MgCl2 + H2 ↑
3. NaOH + HCl → NaCl + H2O
4. ZnCO3 + 2HCl → ZnCl2 + H2O + CO2 ↑
5. CuO + 2HCl → CuCl2 + H2O