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Q. |
Which of the following metals can deposit copper from copper sulphate solution? |
A. | platinum |
B. | Mercury |
C. | Iron |
D. | Gold |
Answer» C. Iron | |
Explanation: The iron displaces copper from its salt, to make iron sulfate solution and deposit a thin coating of metallic copper on the surface of the metal. In general, any metal higher than copper in the "electromotive series" will displace copper from copper sulfate solution. |
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