Question

what is electroplating???​

Answer 1

Electroplating is a general name for processes that create a metal coating on a solid substrate through the reduction of cations of that metal by means of a direct electric current. The part to be coated acts as the cathode (negative electrode) of an electrolytic cell; the electrolyte is a solution of a salt of the metal to be coated; and the anode (positive electrode) is usually either a block of that metal, or of some inert conductive material. The current is provided by an external power supply.

Answer 2

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Electroplating is a process of coating a metal object with a thin layer of another metal by using electrolysis. In this process, the metal object to be coated is made the cathode and the metal that will form the coating is made the anode. Both the cathode and anode are immersed in an electrolyte solution containing ions of the coating metal. When an electric current is passed through the solution, the metal ions are attracted to the cathode and deposited onto the surface of the metal object. Electroplating is commonly used to improve the appearance of metal objects, protect them from corrosion, and enhance their conductivity.