Question

When zeolite, which is hydrated sodium aluminate silicate, is treated with hard water, the sodium ions are exchanged with:
A. `Cl^(ɵ)`
B. `SO_(4)^(ɵ)`
C. `Ca^(2+)`
D. `Mg^(2+)`

Answer 1

Correct Answer - C::D
`Na^(o+)` ions will be replaced by cations only i.e, `Ca^(2+)` angle `Mg^(2+)`