Alok connects the positive terminal of a battery of cells to a copper strip and the negative, to a carbon rod. Both electrodes are dipped in a bath containing a solution and the current is switched on.
Deposition of copper on the carbon rod will take place ______________________.
1only if the bath solution is a copper salt
2only if the carbon rod has a cylindrical shape
3even if the solution in the bath is replaced with distilled water
4even if the electrode connections to the battery are reversed
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1 only if the bath solution is a copper salt
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