1. 2Zn+O2 = 2ZnO
2. ZnO+H2SO4 = ZnSO4+H2O
3. ZnSO4+2NaOH = Na2SO4+Zn(OH)2↓
4. ZnO+2KOH = K2ZnO2+H2O
5. Zn(OH)2+2KOH = K2ZnO2+2H2O
6. Zn(OH)2+2HCl = ZnCl2+2H2O
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Answers & Comments
1. 2Zn+O2 = 2ZnO
2. ZnO+H2SO4 = ZnSO4+H2O
3. ZnSO4+2NaOH = Na2SO4+Zn(OH)2↓
4. ZnO+2KOH = K2ZnO2+H2O
5. Zn(OH)2+2KOH = K2ZnO2+2H2O
6. Zn(OH)2+2HCl = ZnCl2+2H2O