Question

Q34) 34. Mohan connected a copper plate and an iron plate to the positive and negative terminals of a battery respectively along with a switch. He immersed the plates into a beaker containing copper sulphate soluti Battery Switch dron plater opewa pale Copper sulphale solution After a few minutes, even before he turned the switch on, he noticed copper deposited on the iron plate. This could have been due to
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Answer 1

Answer:We have learnt some effects of electric current. List those effects. What effect does the current produce when it flows through a conducting solution? Let us find out.

Take out carbon rods carefully from two discarded cells. Clean their metal caps with sand paper. Wrap copper wires around the metal caps of the carbon rods and join them to a battery . We call these two rods electrodes. (Instead of carbon rods, you may take two iron nails about 6 cm long ).

Explanation:

Answer 2

Answer:

electroplating is the answer