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Copper is purified by electrolytic refin...

Copper is purified by electrolytic refining of bliter copper .The current stetement about this process is (are):
(i) impure `Cu`strip is used as cathode
(ii)acidified aqueous` CuSO_(4)` is used as electrolyte
(iii) pure `Cu` deposits at eathode
(iv) impurities settle as anode -mud

A

impure Cu strip is used as cathode

B

acidified aqueous `CuSO_(4)` is used as electrolyte

C

pure Cu deposits at cathode

D

impurities settle as anode-mud

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The correct Answer is:
B, C, D
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