The substance used for regenerating the exhausted permutit is :
A
100VH2O2
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B
dil. HCl
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C
10%NaCl solution
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D
10%Na2CO3 Solution
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Solution
The correct option is C10%NaCl solution
The substance used for regenerating the exhausted permutit (CaAl2Si2O8.xH2O) is 10%NaCl solution which retains the formula of original permutit (Na2Al2Si2O8.xH2O).