IIT JEE Questions And Answers :: Environmental Chemistry: part2



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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