Write the reaction equation: Zn-ZnO-ZnCl2- Zn (OH) 2-ZnO-ZnSO4 -Zn (NO3) 2

2Zn + O2 = 2ZnO
ZnO + 2HCl = ZnCl2 + H2
ZnCl2 + NaOH = Zn (OH) 2 + 2NaCl
Zn (OH) 2 = ZnO + H2O
ZnO + H2SO4 = ZnSO4 + H2O
ZnSO4 + Ba (NO3) 2 = Zn (NO3) 2 + BaSO4



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