Odours and tastes may result due to the presence of ?

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Rakesh Kumar

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📊 Public Health Engineering

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

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✅ Correct Answer: (D) all of the above

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