When an iron nail rubbed with and paper is dipped in copper sulphate solution, we observed that copper
gets deposited:
(a) first on the upper part of the nail ahd proceeds to the lower part
(b) on the nail in small patches
(c) first on the lower part of the nail and proceeds to the upper part
(d) on the entire surface of the nail
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Answer:
d) on the entire surface of the nail
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