Chemistry, asked by rahulveera5274, 1 year ago

Write chemical methods for removal of permanent hardness.

Answers

Answered by ramneekbali16

Temporary hardness is caused by dissolved calcium hydrogencarbonate (which is removed by boiling).Permanent hardness is caused by dissolved calcium sulfate (which is notremoved by boiling). Water can be softened using washing soda or an ion-exchange resin.

Answered by kolpepratham05

Sodium Carbonate decahydrate :- Na2CO3.10H2O

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