Practice

Questions

Pick a topic and practice with clear explanations.

CUET

Q9. Zeolite can be used to soften hard water when: (a) Ca2+ or Mg2+ ion in zeolite are replaced by Na+ ions in hard water (b) Ca2+ ions in zeolite are replaced by Mg2+ ions in hard water (c) Na+ ions in zeolite are replaced by Ca2+ and Mg2+ ions in hard water (d) None is correct