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R

Rakesh Kumar • 28.44K Points
Instructor II

Q. Odours and tastes may result due to the presence of ?

(A) micro-organisms either dead or alive
(B) dissolved gases such as oxygen, carbon dioxide, methane etc
(C) mineral substances such as sodium chloride, iron compounds etc
(D) all of the above
  • Correct Answer - Option(D)
  • Views: 200
  • Filed under category Public Health Engineering
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