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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.
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- The heat of neutralization of a strong base and a strong acid is 57 kJ.
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Topics: Environmental Chemistry
(28)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following compounds is known as white vitriol
- The heat of neutralization of a strong base and a strong acid is 57 kJ.
- Bithional is generally added to the soaps as an additive to function as a
- The basic component of photochemical smog is
- What is the value of electron gain enthalpy of Na+ if IE₁ of Na =5.1 eV ?
Topics: Environmental Chemistry (28)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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