Question

One of the following is not used for electroplating metal articles. This one is :
A. nickel
B. chromium
C. sodium
D. silver

Answer 1

Answer:

nickel is the electroplating metal aarticls

Answer 2

C. Sodium  is not used for electroplating metal articles.

Explanation:

• Electroplating is an electrical process which uses electric current to reduce the metal into ions.
• This process is used to coat metal over another metal.
• The metal to be plated is used as cathode and pure metal is used as anode.
• This process is used to reduce corrosion and for decoration purpose.
• Sodium is alkali metal and it forms hydrogen gas when it is used as electrolyte. This makes sodium unsuitable for electroplating.