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Copper is purified by electrolytic refining of blister copper. The correct statement(s) about this process is (are) (a) Impure Cu strip is used as

Copper is purified by electrolytic refining of blister copper. The correct statement(s) about this process is (are) –

(a) Impure Cu strip is used as cathode

(b) Acidified aqueous CuSO4 is used as an electrolyte

(d) Impurities settle as anode-mud

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