The redox reaction is possible between: 1) CaO and H₂0 3) CaCO₃ and HC1 2) CuO and HNO₃

The redox reaction is possible between: 1) CaO and H₂0 3) CaCO₃ and HC1 2) CuO and HNO₃ 4) CuO and C Write down the ORP equation and make an electronic balance.

4) СuО и С
1) СuO+C=Cu+CO

Cu2⁺+2e=Cu⁰

C⁰-2e=C2⁺

C⁰-2e+Cu2⁺+2e=C2⁺+Cu⁰



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