CUET UGChemistryMCQ
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

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