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A student was asked to carry out a chemi...

A student was asked to carry out a chemical reaction by placing four different metal strips in `CuSO_(4)` solution for a considerable time, one by one. Which of the following metal strip will turn the blue `CuSO_(4)` solution to a light green solution in due course of time ?

A

`Fe`

B

`Au`

C

`Mg`

D

`Ag`

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The correct Answer is:
D
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