Question

write the chemical formula for washing soda how it be obtained from baking soda? its uses?​

Answer 1

washing soda- na2co3.10h2o

equation- nahco3 + 10h2o = nna2co3.10h2o

uses

it is used to remove permanent hardness of water

used for cleaning for domestic purpose

used in industries

Answer 2

Washing soda ::- Na2CO3.10H2O

When baking soda (NaHCO3) is heated, sodium carbonate is obtained. This sodium carbonate is crystallised to obtain washing soda . The chem. eq.s to obtain washing soda is::-

Heat

NaHCO3 ----------------> Na2CO3 + CO2 + H2O

Na2CO3 + 10H2O -------> Na2CO3 . 10H2O

Uses of washing soda are ::-

1.) used in paper, soap and glass industries.

2.) used to make sodium compounds such as borax.

3.) used to remove permanent hardness of water.

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