The method that cannot be used for removing permanent hardness of water is

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you have not suggested any method then how i would know??
You should have asked that which methods can be used to remove permanent hardness of water?
U WUD HAV GIVEN SOME optionss..
chlorination
wrong.........

Answers

2015-02-01T14:59:13+05:30
the method that cannot be used nfor removing permanent hardness of water is "BOILING"....
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2015-02-01T15:25:33+05:30
THE METHOD IS BOILING................
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