Question

How Washing soda can be used to remove both temporary and permanent hardness in water?

Answer 1

Answer:

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$\bf\purple{\underline{Washing\:Soda:}}$

Sodium carbonate,${Na_{2}CO_{3}}$is also known as washing soda.

$\bf\blue{\underline{Reason:}}$

Washing Soda can remove temporary and permanent hardness from water. It is soluble in water and adds a large amount of carbonate ions to the water.

$\bf\pink{\underline{Reaction:}}$

These react with dissolved calcium and magnesium ions in the water to produce insoluble precipitates. Sodium carbonate is soluble but calcium carbonate and magnesium carbonate are insoluble.

Chemical formula is $\bf{Na_{2}CO_{3}}$.

• It is hygroscopic in nature .

• It absorbs moisture from the air.

• It is highly soluble in water and forms strongly alkaline water solution.

Hope it will be helpful :)...✍️