Zn+2HNO3=Zn(NO3)2+H2
Zn(NO3)2+2NaOH=Zn(OH)2+2NaNO3
Zn(OH)2=ZnO+H2O
ZnO+2KOH=K2ZnO2+H2O
K2ZnO2+HCl=2KCl+ZnCl2+2H2O
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Zn+2HNO3=Zn(NO3)2+H2
Zn(NO3)2+2NaOH=Zn(OH)2+2NaNO3
Zn(OH)2=ZnO+H2O
ZnO+2KOH=K2ZnO2+H2O
K2ZnO2+HCl=2KCl+ZnCl2+2H2O