Explain any two method to removal of temporary hardness?
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Temporary hardness is caused by dissolved calcium hydrogencarbonate (which isremoved 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.
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the following are the methods of removal of temparory hardness
1)= by the use of soda .
2)=by the use of soap.
1)= by the use of soda .
2)=by the use of soap.
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