IIT JEE Questions And Answers :: Environmental Chemistry: part2



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

    Health is the greatest gift, contentment is the greatest wealth -Buddha
Too many of us are not living our dreams because we are living our fears.- Les Brown