Question

Write the chemical formula for washing soda.

ii. How may it be obtained from baking soda?

iii. Name an industrial use of washing soda other

than washing clothes.​

Answer 1

Answer:

1. The chemical formula for washing soda is:- Na2CO3 .
2. When baking soda is heated, sodium carbonate, water and are produced. Sodium carbonate obtained is dissoved in water and crystals of washing soda are obtained by crystallization.
3. Uses of washing soda are:

• It acts as water softner.
• Sodium carbonate covers and kills spores.
• It can also be used in textile and petroleum refining.

Answer 2

Chemical formula of Washing soda :-

• Na2SO4

Formation of washing soda from baking soda :-

Washing soda can be obtained by heating baking soda.

Uses of Washing soda

• Used in Soap and Paper industries.
• Used in the manufacturing of Borex.
• Used for Removing permanent hardness of water or used for softening hard water.