Zn-zno-zncl2-zn(oh)2-znso4=
2Zn + O2 = 2ZnO ZnO + 2HCl = ZnCl2 + H2O ZnCl2 + 2NaOH = Zn(OH)2 + 2NaCl Zn(OH)2 + H2SO4 = ZnSO4 + 2H2O