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

Assertion. Calgon is used for removing Ca^(2+) and Mg^(2+) ions. Reas

1.	Assertion. Calgon is used for removing Ca^(2+) and Mg^(2+) ions. Reason. Calgon forms precipate with Ca^(2+) and Mg^(2+) ions.
Answer» Solution :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.