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Zn+HOCl+H₂O+2e—Zn²⁺+Cl^-+H⁺+2OH^-

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Zn/Cu/Zn+Pb²⁺ →Zn/Cu/Pb+Zn²⁺

Zn/Cu/Zn+Hg²⁺→Zn/Cu/Hg+Zn²⁺

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Cu/Zn + H₂S → Cu/Zn + CuS + H₂

2H₂+0₂→2H₂0

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Zn + FeO �� ZnO + Fe

4Fe + 3O₂��2Fe₂O₃

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