The method that cannot be used for removing permanent hardness of water is
prekshamehta:
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
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the method that cannot be used nfor removing permanent hardness of water is "BOILING"....
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THE METHOD IS BOILING................
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