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`