Question: 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.
chlorine or its compounds.
ultraviolet light for irradiation of water.
all (a), (b) & (c).
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.