Question

i) Describe how washing soda is produced starting from Sodium Chloride
Write all the reactions involved.
ii) Write any two industrial uses of washing soda​

Answer 1

A cold and concentrated solution of sodium chloride (called brine) is reacted with ammonia and carbon dioxide to obtain sodium hydrogen carbonate : Sodium hydrogencarbonate formed is only slightly soluble in water, so it precipitates out as a solid. ... The anhydrous sodium carbonate obtained here is called soda ash

Explanation:

uses of it

In laundries and in softening of water as washing soda.

In the manufacture of glass,sodium silicate, paper,borx,soap powder, caustic soda,etc.

As a laboratory reagent.

In textile and petroleum refining.

For the preparation of various carbonates of metals.