1.

Which one of the following gases is used for thepurification of drinking water ?14.(A) Sulphur dioxide / HRF忒邵卵HT(B) Chlorine / TF(C) Fluorine /RiRi(D) Carbon dioxide /あ下河邵3TFHEて

Answer»

chlorine ( or bleaching powder) is used to purify water..

chlorine gas is used mack from mineral water



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