Define electrolysis and electroplating.

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Solution

Electrolysis: The method of producing a chemical reaction by passing electric current through liquids containing ions is called electrolysis.

Electroplating: A process which uses electrolysis to coat one metal with another is called electroplating. The object to be plated is made the cathode and the metal to be deposited on to the object is made the anode.

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Q. Electroplating is based on the principles of electrolysis.

Q. During electroplating by electrolysis, the article to be electroplated is:

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The process of purification of an impure metal is like :
(a) electroplating a metal on the same type of metal
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Q. Assertion :The process of depositing a thin and compact layer of a superior metal over an inferior metal by the process of electrolysis is known as electroplating. Reason: Electroplating is a process to improve the appearance of the articles.

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