Q6 of 15 Page 118

Write the uses of electroplating.

Electroplating: In this process, electric current is passed through electrolyte.

i. Two electrodes are dipped in the solution.


ii. Connected with a circuit and a battery.


iii. The electrodes and electrolyte are made from chosen elements.


iv. On passing electric current, splitting of electrolyte takes place and some of its parts deposits to one of the electrode at the top.


v. As a result, one of the electrode becomes electroplated.


Basically, the electroplating is the coating of one metal with another metal.



Electroplating of silver onto spoon


Uses of electroplating are:


i. It is widely used in machines (zinc coating)


ii. It is used for making ornaments (golden and silver coating)


iii. It is used for making fresh containers (iron and tin coating)


iv. It is used for making cars (nickel coating)


v. In handle of cycles and wheels, chromium coating is done to give an extra shine.


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