Environmental Chemistry QUESTIONS AND ANSWERS

IIT JEE : Environmental Chemistry QUESTIONS AND ANSWERS :: part2 : 1 to 5

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

1.Minamata disease is because of pollution of

Organic waste going into drinking water

Oil spill in water

Industrial waste containing mercury into fishing water

Arsenic goning into the atmosphere.

2.Sewage water is purified by

Microorganisms

Light

Fish

Aquatic plants.

3.The gas responsible for causing Bhopal tragedy was

Methyl isocyanate

Potassium isothiocyanate

Sodium isothiocyante

Ethyl isothiocyante.

4.Carbon monoxide, emitted by automobiles, prevents transport of oxygen in body due to

its combination with oxygen to form carbon dioxide

Break down of haemoglobin

preventing haemoglobin to form oxyhaemoglobin

formation of free radicals in the blood.

5.BOD refers to

Biological oxygen deficit

Total oxygen demand of biosphere

Biological oxygen demand of polluted water

None of the above.

More Environmental Chemistry QUESTIONS AND ANSWERS available in next pages

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