Question

Choose the correct option:

The principle of electrolysis is used in

• A. Extraction of metal
• B. Purification of metals
• C. Electroplating
• D. All of these

Answer 1

The correct option is C

Electroplating

Correct option is C: Electroplating

Explanation:

1. Electrolysis is used in manufacturing for electroplating, which involves depositing a thin metal coating over a substrate material.
2. Electroplating is a method of reducing dissolved metal ions by electrolysis and obtaining the dissolved metal ions at the opposite electrode, usually in the form of a uniform coating.
3. Many businesses, such as in-vehicle bodywork and nickel coins, employ electroplating for utilitarian or ornamental purposes.

Hence option C is correct