# 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

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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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Correct Answer - A