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Question
Rohit has an impure copper plate and wants to purify it by electroplating. Using an electrolytic setup, he can do this by 
 
Options:
A .  using the impure copper plate as the positive terminal electrode.
B .  using impure copper plate as the negative terminal electrode.
C .  breaking the impure copper plate into 2 halves and using them as electrodes.
D .  simply placing the impure copper plate in the electrolyte.
Answer: Option A
:
A
Rohit can purify the copper plate and get the pure copper by using the below mentioned electrolytic setup. On using the impure copper plate as the positive terminal electrode, the metal dissolves from impure copper plate andgoes in the copper sulphate solution.The dissolvedmetal present in the solution is deposited on the cathode and the impurities are left in the copper sulphate solution.
Rohit Has an Impure Copper Plate And Wants To Purify It ByÂ...

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