Question

-. (a) Describe Solvay's process for the manufacture of washing soda.
(b) Give two uses of it.​

Answer 1

Q1. Describe Solvay's process for the manufacture of washing soda.

(b) Give two uses of it.​

Answers

Chemically, washing soda is sodium carbonate decahydrate, Na2CO3.10H2O.

Washing soda is manufacturing by Solvey’s process

Explanation:

Washing soda is manufacturing by Solvey’s process

The raw materials required and part of the process in the manufacture of baking soda. Sodium carbonate is obtained by calcination (strong heating in a furnace) of sodium hydrogen carbonate and then recrystallising from water.

Reaction manufacture of washing soda.

2NaHCO3 heat ⎯⎯⎯ → Na2CO3 + H2O + CO2 Na2CO3 + 10H2O ⎯→ Na2CO3.10H2O sodium carbonate washing soda

Uses

1. It is used in the manufacture of caustic soda, glass, soap powders,      borex and in paper industry.

2. For removing permanent hardness of water.

3. As a cleansing agent for domestic purpose

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