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