state 2 reasons for electroplating of an article
Kindly refer to the following link:-
https://www.meritnation.com/ask-answer/question/for-what-purpose-is-electro-plating-done/chemical-effects-of-electric-current/1687458
https://www.meritnation.com/ask-answer/question/for-what-purpose-is-electro-plating-done/chemical-effects-of-electric-current/1687458