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Fish die in water bodies polluted by sewage due to
Options
(a) pathogens
(b) Clogging of gills
(c) Decreases in D.O
(d) Foul smell
Correct Answer:
Decreases in D.O
Explanation:
Microorganisms from sewage consume all dissolved oxygen and fish get deprived of this oxygen and ultimately die.
Related Questions: - Chloropicrin is obtained by the reaction of
- Which of the following is not a cheracteristic of equilibrium
- The normality of 10 volume hydrogen peroxide is
- The energy of an electron in the 3rd orbit of hydrogen atom is -E
- Which reagent can be used for the alkylation of aromatic nitro compounds
Topics: Environmental Chemistry
(28)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Chloropicrin is obtained by the reaction of
- Which of the following is not a cheracteristic of equilibrium
- The normality of 10 volume hydrogen peroxide is
- The energy of an electron in the 3rd orbit of hydrogen atom is -E
- Which reagent can be used for the alkylation of aromatic nitro compounds
Topics: Environmental Chemistry (28)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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