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NEET
Exam
NEET
Subject
Chemistry
Chapter
Hydrogen

NEET · Chemistry · Hydrogen

What is the purpose of using zeolite (permutit) in the ion-exchange...

What is the purpose of using zeolite (permutit) in the ion-exchange method for water softening?

Options

  1. ATo increase water hardness
  2. BTo remove all dissolved ions from the water
  3. CTo precipitate hardness ions as insoluble compounds
  4. DTo exchange sodium ions for hardness ions

Correct answer

D. To exchange sodium ions for hardness ions

Step-by-step solution

Zeolite (permutit) is used in the ion-exchange method for water softening to exchange sodium ions in zeolite for hardness ions (calcium and magnesium ions) present in hard water.
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