Home Chemistry Hydrogen and Its Compounds ( Not in Syllabus ) HARD Permanent hardness due to ions is best remo…
Chemistry Hydrogen and Its Compounds ( Not in Syllabus ) HARD Single Correct MCQ
Published on: August 12, 2026

Permanent hardness due to ions is best removed by

A
B
C
D
None of these

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The correct answer is:
C

removes the permanent hardness due to ion, but it produces ions which are removed by .

or alone cannot remove the permanent hardness.

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