When zeolite which is hydrated sodium aluminium silicate is treated with hard water, the sodium ions are exchanged with:

When zeolite which is hydrated sodium aluminium silicate is treated wi

1.	When zeolite which is hydrated sodium aluminium silicate is treated with hard water, the sodium ions are exchanged with:
Answer» `Ca^(2+)` IONS `Mg^(2+)` ions both `Ca^(2+)" and "Mg^(2+)` ions `SO_(4)^(2-)` and CHLORIDE ions Solution :`Na_(2)AI_(2)Si_(3)O_(8)xH_(2)O+Ca^(2+)" or "Mg^(2+)` `RARR CaAL_(2)Si_(3)O_(3).xH_(2)O+2Na^(+)` or `MgAI_(2)Si_(3)O_(8).xH_(2)O`