Zn+H2S=ZnS+H2
ZnS+H2O=ZnO+H2S
ZnO+2NaOH+H2O=Na2[Zn(OH)4]
Na2[Zn(OH)4] +H2SO4=ZnSO4+2NaOH+H2O
Zn+S=ZnS
2ZnS+3O2=2ZnO+2SO2
Na2[Zn(OH)4]+2H2SO4=Na2SO4+ZnSO4+4H2O
Zn+H2S=ZnS+H2
ZnS+H2O=ZnO+H2S
ZnO+2NaOH+H2O=Na2[Zn(OH)4]
Na2[Zn(OH)4] +H2SO4=ZnSO4+2NaOH+H2O
Zn+S=ZnS
2ZnS+3O2=2ZnO+2SO2
ZnO+2NaOH+H2O=Na2[Zn(OH)4]
Na2[Zn(OH)4]+2H2SO4=Na2SO4+ZnSO4+4H2O