Question
Assertion

Calgon is used for removing and ions from hard water.

Reason

Calgon forms precipitates with and

A

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

B

Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

C

Assertion is correct but Reason is incorrect

D

Both Assertion and Reason are incorrect

Hard

Solution

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Correct option is D)

Correct Assertion - Calgon mask the properties of and   ions present in water without removing them as precipitates.

Correct Reason - Calgon forms soluble complexes with and in which properties of these ions are masked.

Solve any question of Hydrogen with:-

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