Question

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

A. $$NaAlSi{O_4}$$  
B. $$NaAl{O_2}$$
C. $$C{a_3}{\left( {P{O_4}} \right)_2}$$
D. $$N{a_2}S{O_4}$$
Answer :   $$NaAlSi{O_4}$$
Solution :
Zeolite/permutit is hydrated sodium aluminium silicate which is also written as $$N{a_2}Z.$$

Releted MCQ Question on
Inorganic Chemistry >> Hydrogen

Releted Question 1

$$HCl$$  is added to following oxides. Which one would give $${H_2}{O_2}$$ ?

A. $$Mn{O_2}$$
B. $$Pb{O_2}$$
C. $$Ba{O_2}.8{H_2}O$$
D. $$N{O_2}$$
Releted Question 2

Heavy water is

A. $${H_2}{}^{18}O$$
B. water obtained by repeated distillation
C. $${D_2}O$$
D. water at $${4^ \circ }C$$
Releted Question 3

The oxide that gives hydrogen peroxide on treatment with a dilute acid is :

A. $$Pb{O_2}$$
B. $$N{a_2}{O_2}$$
C. $$Mn{O_2}$$
D. $$Ti{O_2}$$
Releted Question 4

Hydrogen gas will not reduce :

A. heated cupric oxide
B. heated ferric oxide
C. heated stannic oxide
D. heated aluminium oxide

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Hydrogen


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