Question

sodium carbonate,decahydrate
(Na2CO3.10H2O)​

Answer 1

Answer:

10H2O is a colorless crystal solid at room temperature. It is soluble in water. Na2CO3. 10H2O is used for water purification and paper manufacturing.

HOPE THIS ANSWER HELPS YOU...

Answer 2

Answer:

Washing soda formula is written as Na2CO3. 10H2O. The chemical name of washing soda is sodium carbonate. Chemically soda ash is a hydrated salt of sodium carbonate.

Explanation:

10H2O is a colorless crystal solid at room temperature. It is soluble in water. Na2CO3. 10H2O is used for water purification and paper manufacturing.

1. the four steps involved in the preparation of sodium carbonate.

Ans: The four steps involved in the preparation of sodium carbonate are:

Purification of Brine

Formation of sodium hydrogen carbonate

Formation of sodium carbonate

Recovery of ammonia

2. two uses of washing soda.

Ans: It is used in the process of softening of water and paper industry.