When zeolite which is hydrated sodium aluminium silicate is treated with hard water, the sodium ions are exchanged with which of the following ion (S)?

Options

A. `Cl^(ɵ)`
B. `SO_(4)^(ɵ)`
C. `Ca^(2+)`
D. `Mg^(2+)`

Answer

C, D

Explanation

`Na^(o+)` ions will be replaced by cations only i.e, `Ca^(2+)` angle `Mg^(2+)`