2H2 + O2 = 2H2O
2H2O = 2H2 + O2
2Zn + O2 = 2ZnO
ZnO + 2HCl = ZnCl2 + H2O
ZnCl2 + 2NaOH = Zn(OH)2 + 2NaCl
2H2 + O2 = 2H2O
2H2O = 2H2 + O2
2Zn + O2 = 2ZnO
ZnO + 2HCl = ZnCl2 + H2O
ZnCl2 + 2NaOH = Zn(OH)2 + 2NaCl