Question

8. Write any four uses of Washing Soda.
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Answer 1

Explanation:

1. In laundries and in softening of water as washing soda.
2. In the manufacture of glass,sodium silicate, paper,borx,soap powder, caustic soda,etc.
3. As a laboratory reagent.
4. In textile and petroleum refining.
5. For the preparation of various carbonates of metals.

Answer 2

Answer:

Uses of washing soda (NA2CO3.10H2O) :

Washing soda (sodium carboN/Ate) is used in glass, soap and paper industries.

It is used in the manufacture of sodium compounds such as borax.

Sodium carboN/Ate can be used as a cleaning agent for domestic purposes.

It is used for removing permanent hardness of water