1) Zn+2HCl → ZnCl2+H2↓
2) CuO+H2SO4 → CuSO4+H2O
3) NaOH+HCl → NaCl+H2O
4) Cu(OH)2+2HCl → CuCl2+2H2O
5) Na2CO3+2HCl → 2NaCl+CO2↑+H2O
6) BaCl2+H2SO4 → BaSO4↓+2HCl
7) Na2SO4+2HCl → 2NaCl+H2SO4
1) Zn+2HCl → ZnCl2+H2↓
2) CuO+H2SO4 → CuSO4+H2O
3) NaOH+HCl → NaCl+H2O
4) Cu(OH)2+2HCl → CuCl2+2H2O
5) Na2CO3+2HCl → 2NaCl+CO2↑+H2O
6) BaCl2+H2SO4 → BaSO4↓+2HCl
7) Na2SO4+2HCl → 2NaCl+H2SO4