In a permutit, the calcium and magnesium ions of hard water are exchan

1.	In a permutit, the calcium and magnesium ions of hard water are exchanged by
Answer» `CO^(2-)` and `HCO_(3)^(-)` ions of permutit `Na^(+)` ions of permutit `AI^(3+)` ions of permutit `SI^(4+)` ions of permutit. Solution :`Na_(2)Al_(2)Si_(2)O_(8). xH_(2)O+Ca^(2+)(" or " Mg^(2+))to CaAl_(2)Si_(2)O_(8). XH_(2)O+2Na^(+)`

Discussion