Multiple choice

Which of the following substances is used in Purification of water?

  1. Graphite

  2. Magnesium sulphate

  3. Zeolite

  4. Sodium thiosulphate

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Zeolites are microporous, aluminosilicate minerals commonly used as commercial adsorbents and ion exchangers in water purification to remove impurities like calcium and magnesium.