In electrolytic refining, is used as anode and _ is used as cathode.

pure metal, impure metal

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impure metal, pure metal

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pure metal, pure metal

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impure metal,

C u C l_{2}

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Solution

The correct option is C impure metal, pure metal
In the process of electrolytic refining, a lump of impure metal and a thin strip of pure metal are dipped in the salt solution of metal to be refined. When electric current is passed through the solution, pure metal is deposited over thin strip of pure metal from the lump of impure metal. In this, impure metal is used as anode and pure metal is used as cathode.

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In electrolytic refining, ______ is used as anode and _______ is used as cathode.

In electrolytic refining, is used as anode and _ is used as cathode.