Question

Name the sodium compound , which is used for softening hard water
options
1. washing soda
2. sugar
3. Hydrogen
4. Boiling​

Answer 1

Answer:

Washing soda

hope it is helpful

Answer 2

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$\large\bf{\underline\blue{(1) Washing \: Soda}}$

$\large\bf{\underline\pink{More \; to \; Know⤵}}$

Washing soda or sodium carbonate is used for removing permanent hardness of water. Washing soda which has a chemical formula Na2CO3.10H2O. It binds calcium and magnesium molecules in water. Water can be softened by adding sodium carbonate (washing soda) or by passing the water through an ion-exchange column.

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$\large\bf{\underline\blue{❥Thank\; You ♥♥}}$