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Assertion. Calgon is used for removing C...

Assertion. Calgon is used for removing `Ca^(2+) and Mg^(2+)` ions.
Reason. Calgon forms precipate with `Ca^(2+) and Mg^(2+)` ions.

Text Solution

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The correct Answer is:
D
Correct assertion. Calgon renders `Ca^(2+)` and `Mg^(2+)` ions present in hard water ineffective.
Correct reason. Calgon forms soluble complex with `Ca^(2+) and Mg^(2+)` ions.
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