Question

Difference between temporary hard/soft water and permanent hard/soft water ???:?

Answer 1

Permanent hard water contains so4 ion which can not be remove easily by boiling.

Temporary hard water contains cl,ca ions which can be remove easily by boiling.

Answer 2

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soft water :

The water which gives lather readily with soap solution is called as soft water

Hard water :

The water which doesn't give lather readily with soap solution is called as Hard water