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

In the following quesitons a statement of Assertion (A) followed by a statement of reason (R ) is given. Choose the correct option out of the option given below each question. Assertion[A]: Permanent hardness of water is removed by treatment with washin soda. Reason[R]: Washing soda reacts with soluble magneisum and calcium sulphate to form insoluble carbonates.

permanent hardness of water may be removed by the addition of

Assertion (A) Permanent hardness of water is removed by treatment with washing soda. Reson (R) Washing soda reacts with soluble magnesium and calcium sulphate to from insolube carbonates.