Question

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 colourless solution in due course of time?
(1) Fe
(2) Au
(3) Mg
(4) Ag

Answer 1

Answer:

Mg will turn the blue CuSO4 solution to a colourless solution in due course of time.

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