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IMPORTANT
Earn 100

What is the molecular formula of freon- 12 and 112.

Important Questions on Environmental Chemistry

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IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 17 - Environmental Chemistry>Exercise-1>Q 21
What is the concentration of oxygen in the air?
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JEE Main/Advance
IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 17 - Environmental Chemistry>Exercise-1>Q 22
What do you understand by "clean water" and "polluted water"?
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JEE Main/Advance
IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 17 - Environmental Chemistry>Exercise-1>Q 23
What are primary pollutants? Give three examples.
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IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 17 - Environmental Chemistry>Exercise-1>Q 24
What are secondary pollutants? Give three examples.
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IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 17 - Environmental Chemistry>Exercise-1>Q 25
Define photochemical oxidant?
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IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 17 - Environmental Chemistry>Exercise-1>Q 26
Name of the four harmful effects of air pollution?
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IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 17 - Environmental Chemistry>Exercise-1>Q 27
Suggest three ways to reduce the greenhouse effect.
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JEE Main/Advance
IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 17 - Environmental Chemistry>Exercise-1>Q 28
What do you understand by BOD and COD? Which one is preferred?