Question

How is soda ash obtained from washing soda crystals? Support your answer

by a chemical equation.​

Answer 1

Answer:

Washing soda can be obtained by heating baking soda. On heating, baking soda gives sodium carbonate, carbon dioxide and water. Consequently, the recrystallisation of sodium carbonate gives washing soda. The chemical equations involved in the process are: Washing soda is used in glass, soap and paper industries.

Answer 2

Explanation:

On heating sodium hydrogen carbonate decomposes to form sodium carbonate. This anhydrous sodium carbonate is known as soda ash. ... Thirdly, anhydrous sodium carbonate or soda ash is dissolved in water and recrystallised to get washing soda crystals containing 10 molecules of water of crystallisation.

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