Which of the following is the most widely used disinfectant in water treatment? (A) Chlorine (B) Irradiation of water by ultraviolet light (C) Cation exchanger (D) Coagulation

Which of the following is the most widely used disinfectant in water
treatment?
(A) Chlorine
(B) Irradiation of water by ultraviolet light
(C) Cation exchanger
(D) Coagulation
by

1 Answer

Answer :

(A) Chlorine
by

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