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When iron or zinc added to CuSO(4) solut...

When iron or zinc added to `CuSO_(4)` solution copper is precipitated, it due to

A

Hydrolysis of ` CuSO_4`

B

Reduction of `SO_4^(2-)`

C

Reduction of Zn

D

Reduction of `Cu^(2+)`

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The correct Answer is:
D
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