Zn + H2SO4 = ZnSO4 + H2↑
ZnSO4 + 2NaOH = Zn(OH)2↓ + Na2SO4
Zn(OH)2 =t= ZnO + H2O
ZnO + 2HCl = ZnCl2 + H2O
Zn + H2SO4 = ZnSO4 + H2↑
ZnSO4 + 2NaOH = Zn(OH)2↓ + Na2SO4
Zn(OH)2 =t= ZnO + H2O
ZnO + 2HCl = ZnCl2 + H2O