Which ofthe following groups of ions makes the water hard? | CGP Edu

Chemistry Hydrogen and Its Compounds ( Not in Syllabus ) NEET Previous Year Question Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

Which ofthe following groups of ions makes the water hard?

A

Sodium and bicarbonate

B

Magnesium and chloride

C

Potassium and sulphate ( d ) Ammonium and chloride ( I994 )

Text Solution

Verified by Experts

The correct answer is:

: Hardness of water is due to the presence of bicarbonates, chlorides and sulphates of Ca and Mg. Hence, hard water will consist of ions.

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