What is the composition of Permutit (Zeolite)? How does it works in softening of hard water?

What is the composition of Permutit (Zeolite)? How does it works in so

1.	What is the composition of Permutit (Zeolite)? How does it works in softening of hard water?
Answer» Solution :Hydrated sodium aluminium silicate/ Sodium aluminium silicate……..1 It exchanges `MG^(2+)` and `CA^(2+)` IONS for its `NA^(+)` hence soften the hard WARTER.