Which chemicals is used as washing soda

• GC Metals Non-Metals

Which one among the following chemicals is used as washing soda?

1. Calcium carbonate
2. Calcium bicarbonate
3. Sodium carbonate
4. Sodium bicarbonate

Answer

Washing soda is a chemical compound that is used to remove stubborn stains from laundry. It is often used in commercial detergent mixtures as well to treat hard water.

The chemical formula for washing soda is Na₂CO₃ and it is also known as sodium carbonate. One common source of washing soda is the ashes of burned plants, so it is also called soda ash.

The correct option is C.