A key ring has to be electroplated with Nickel.State three conditions that should be maintained during electrolytic cell.

it should be taken at anode at impure side to negative at electrolytic cell
secondly the pure element have to be taken at cathode side to positive at electrolytic cell
under electrolytic cell the solution should be ( NiSO4 ) i.e. nickel sulphate 
for electroplating with nickel these 3 conditions are must.
 

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Also use DC current instead of AC current
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