Question

Washing Soda is the common name for?

• A. Calcium carbonate
• B. Magnesium carbonate
• C. Sodium carbonate
• D. Potassium carbonate

Answer 1

The correct option is C

Sodium carbonate

Explanation for correct option:

Option (C) Sodium carbonate

Washing soda:

• Sodium carbonate is commonly known as Washing soda.
• The chemical formula for washing soda is ${\mathrm{Na}}_2{\mathrm{CO}}_3$.
• It is a salt of carbonic acid that is also known as soda ash.

Uses of washing soda:

• As it is alkaline in nature, it is used for removing stains.
• It removes the permanent hardness of the water.
• It is also used in the manufacturing of glass/soap.

Explanation for incorrect option:

Washing soda is the common name for sodium carbonate. thus options A, B and D stand incorrect.

hence, option C is the correct answer. i.e. Sodium carbonate.