Environmental Chemistry QUESTIONS AND ANSWERS

IIT JEE : Environmental Chemistry QUESTIONS AND ANSWERS :: part2 : 11 to 15

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

11.Cyclone collector is used for minimising

Radioactive pollution

Air pollution

Noise pollution

Water pollution.

12.Addition of phosphate and nitrate/fertilizers into water leads to

Increased growth of decomposers

Reduced of algae growth

Increased growth of algae

Nutrient enrichment.

13.Phosphate pollution is caused by

Weathering of phosphate roks only

Carbon dioxide dissolved in water

Phosphate rocks and sewage

Sewage and agricultural fertilizers.

14.The chemical species released by chloroflurocarbons which are harmful to ozone is

Fluorine atoms

Chlorine free radicals

Nitrogen dioxide molecules

Chlorine molecules.

15.The region of atmosphere that extends from 50 km 85 km in altitude is called

Troposphere

Mesosphere

Stratosphere

Biosphere.

More Environmental Chemistry QUESTIONS AND ANSWERS available in next pages

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