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Cation exchanger used to remove permanent hardness uses : 

Option: 1

Granular insoluble organic acid resin 


Option: 2

Granular soluble organic acid resin 


Option: 3

Granular insoluble inorganic acid resin 


Option: 4

Granular soluble organic acid resin 


Answers (1)

best_answer

Cationic exchanger resin has granular insoluble organic acids with long hydrocarbon chains and is attached with groups  SO_3 H \: \: or\: \: COOH at one end.

Therefore, option(1) is correct.

Posted by

Riya

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