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Question
In the given arrangement, if we replace the copper plate connected to the negative terminal of the battery with a carbon rod, which of the following happens?
In The Given Arrangement, If We Replace The Copper Plate Con...
Options:
A .  The mass of the copper plate increases.
B .  Carbon gets coated on the copper rod.
C .  Copper gets coated on the carbon rod.
D .  The mass of the carbon rod decreases.
Answer: Option C
:
C
If we replace the copper plate which was connected to the negative terminal of the battery with a carbon rod, we obtain a coating of copper on the carbon rod. The copper ions from the solution (copper sulphate) get deposited on the electrodes (carbon rods).

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