Disinfection of water is done to destroy pathogenic bacteria and thus prevent water-borne diseases. Disinfection of water may be done by the use of (A) Ozone and iodine (B) Chlorine or its compounds (C) Ultraviolet light for irradiation of water (D) All (A), (B) & (C)

Disinfection of water is done to destroy pathogenic bacteria and thus
prevent water-borne diseases. Disinfection of water may be done by the use
of
(A) Ozone and iodine
(B) Chlorine or its compounds
(C) Ultraviolet light for irradiation of water
(D) All (A), (B) & (C)
by

1 Answer

Answer :

(D) All (A), (B) & (C)
by

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