A student was asked to carry out a chemical reaction by placing four different metal strips in CuSO4 solution for a considerable time, one by one. Which of the following metal strip will turn the blue CuSO4 solution to a light green solution in due course of time ?
(1) Fe
(2) Au
(3) Mg
(4) Ag
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Answer:
1st
Explanation:
Fe will form Feso4 and convert cuso4 to feso4
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