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Q.

An electrolytic refining copper is deposited at

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a

Anode

b

Cathode

c

Both

d

None

answer is A.

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Detailed Solution

The  purification  of metals by electrolysis . It is commonly  applied  to Copper.a large Piece of impure copper  is used  as anode with a thin strip of pure copper  as cathode. On passing electricity  pure copper is deposited  at the cathode.

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