2Zn+O2=2ZnO
ZnO+H2SO4=ZnSO4+H2O
ZnSO4+2NaOH=Zn(OH)2+Na2SO4
Zn(OH)2+Na2O=Na2ZnO2+H2O
Na2ZnO2+2HCl=Zn(OH)2+2NaCl
2Zn+O2=2ZnO
ZnO+H2SO4=ZnSO4+H2O
ZnSO4+2NaOH=Zn(OH)2+Na2SO4
Zn(OH)2+Na2O=Na2ZnO2+H2O
Na2ZnO2+2HCl=Zn(OH)2+2NaCl