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Assertion : Permanent hardness of water ...

Assertion : Permanent hardness of water can be removed by using washing soda.
Reason : Washing soda reacts with soluble calcium and magnesium chlorides and sulphates in hard water to form insoluble carbonates.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
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Assertion : Temporary hardness can be removed by boiling. Reason : On boiling the soluble bicarbonates change to carbonates which being insoluble, get precipitated.

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