What is electroplating? - QS Study
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To form a layer over metallic commodities by a less reactive metal by the electrolysis process is called electroplating. It may also be stated as “The method of applying a thin coating on a metal with another metal by electrolysis process is called electroplating.”

Usage of electroplating:

(i) To prevent corrosion due to moisture and oxygen of air.
(ii) To enhance better looking or shining.
(iii) To help in repairing the irregular broken portion on the metals.