HARDMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryHydrogenAchiever Section
When zeolite (hydrated sodium aluminium silicate) is treated with hard water the sodium ions are exchanged with
A.H⁺ ions
B.Ca²⁺ ions✓ Correct
C.SO₄
D.OH⁻ ions
Explanation
2 Na zeolite+CaCl Ca zeolite+2NaCl →
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