Question

The formula for permutit or zeolite which is used as softner in ion-exchange method is

• A. $NaAlSiO_4$
• B. $NaAlO_2$
• C. $Ca_3(PO_4)_2$
• D. $Na_2SO_4$

Answer 1

Answer: (A)

$NaAlSiO_4$

Answer 2

Zeolite/permutit is hydrated sodium aluminium silicate which is also written as $NaZ$.