Q. When zeolite which is hydrated sodium aluminium silicate is treated with hard water, the sodium ions are exchanged with
A) $H^{+}\ ions$
B) ${Mg}^{2 +}\ ion$
C) ${Ca}^{2 +}\ ion$
D) $both\ {Ca}^{2 +}\ and\ {Mg}^{2 +}$
Explanation
The correct answer is Option D: $both\ {Ca}^{2 +}\ and\ {Mg}^{2 +}$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.