The correct formula of exhausted permuitit is :

$(p) N a_{2} A l_{2} S i_{2} O_{8} . x H_{2} O$

$(q) K_{2} A l_{2} S i_{2} O_{8} . x H_{2} O$

$(r) M g A l_{2} S i_{2} O_{8} . x H_{2} O$

$(s) C a A l_{2} S i_{2} O_{8} . x H_{2} O$

P or q

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r or s

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q or s

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q or r

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Solution

The correct option is B
r or s

Exhausted permutit is obtained when K and Na ions have been exchanged with Mg and Ca

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The correct formula of exhausted permuitit is : (p) Na2Al2Si2O8.xH2O (q) K2Al2Si2O8.xH2O (r) MgAl2Si2O8.xH2O (s) CaAl2Si2O8.xH2O

The correct option is B r or s Exhausted permutit is obtained when K and Na ions have been exchanged with Mg and Ca

The correct formula of exhausted permuitit is :

$(p) N a_{2} A l_{2} S i_{2} O_{8} . x H_{2} O$

$(q) K_{2} A l_{2} S i_{2} O_{8} . x H_{2} O$

$(r) M g A l_{2} S i_{2} O_{8} . x H_{2} O$

$(s) C a A l_{2} S i_{2} O_{8} . x H_{2} O$

The correct option is B
r or s

Exhausted permutit is obtained when K and Na ions have been exchanged with Mg and Ca