How is washing soda prepared from sodium carbonate? Give its chemical equation. State the type of this salt. Name the type of hardness of water which 'can be removed by it?

Washing Soda is prepared from sodium carbonate by recrystallization.

$Na_2CO_3 (sodium\ carbonate) + 10 H_2O \rightarrow Na_2CO_3.10H_2O (washing\ soda)$

Washing Soda is a basic salt.

It is used for removing the permanent hardness of the water.

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Updated on: 10-Oct-2022

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