Zn → Zn S → Zn O → Zn SO₄ → Zn (OH)₂
Zn + H2S => ZnS + H2
2ZnS + 3O2 => 2ZnO + 2SO2
ZnO + H2SO4 => ZnSO4 + H2O
ZnSO4 + 2KOH => Zn(OH)2 + K2SO4
Zn+S=ZnS
Zn+O2=ZnO
ZnO+H2SO4=ZnSO4+H2O
ZnSO4+2NaOH= Zn(OH)2+Na2SO4