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Question

Write the chemical formula for washing soda. How may it be obtained from baking soda? Name an industrial use of washing soda other than washing clothes.

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Solution

The chemical formula for Washing soda (sodium bicarbonate) is Na2CO3
It can be made from baking soda as follows:

2NaHCO3 + heat ------------> Na2CO3 + CO2 + H2O


The most important industrial use of washing soda is its use in Mfg. of glass when reacted with SiO2 and CaCO3

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