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Question

Write chemical formula of washing soda. How is it obtained from baking soda? Name the one industrial use of washing soda other than washing clothes.

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Solution

The chemical formula of washing soda is Na2CO3.10H2O

Washing soda can be obtained by heating baking soda.

On heating, baking soda gives sodium carbonate, carbon dioxide and water.

Washing soda is used in glass, soap and paper industries.


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