give reason addition of alum purifies water
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Answered by
6
it formula is k2so4al2(so4)324h2o thus it contains many positive and negative ions thus alum purifies water
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24
Alum when added with water reacts with some alkalinites.The alum then forms small bundles that trap suspended impure particles present in water.And in this way it purifies water....
hope it helps..
hope it helps..
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