Question

answer that a and B fast ​

Answer 1

Answer:

A) Washing Soda is used as cleansing agent for domestic purposes like washing clothes. In fact sodium carbonate is a component of many dry soap powders. - It is used for removing permanent hardness of water. - It is used in the manufacture of glass, soap and paper.

Answer 2

Answer:

a)

PREPARATION OF WASHING SODA :

1. Washing soda can be obtained from sodium chloride.
2. Baking soda is obtained from sodium chloride as follows.
3. On heating, baking soda produces sodium carbonate.
4. Recrystallization of sodium carbonate gives washing soda.

Uses of Washing Soda :

1. Washing soda (sodium carbonate) is used in glass, soap and paper industries.
2. It is used in the manufacture of sodium compounds such as borax.
3. Sodium carbonate can be used as a cleaning agent for domestic purposes.
4. It is used for removing permanent hardness of water.

SORRY I CAN'T ANSWER b.