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Class 11
Chemistry :-NCERT Solution - Environmental Chemistry.

Question 3
Carbon monoxide gas is more dangerous than carbon dioxide gas. Why?


Answer

Question 5
Statues and monuments in India are affected by acid rain. How?


Answer

Question 6
What is smog? How is classical smog different from photochemical smog?


Answer

Question 8
What are the harmful effects of photochemical smog and how can they be controlled?


Answer

Question 9
What are the reactions involved for ozone layer depletion in the stratosphere?


Answer

Question 10
What do you mean by ozone hole? What are its consequences?



Answer

Question 11
What are the major causes of water pollution? Explain.


Answer

Question 12
Have you ever observed any water pollution in your area? What measures would you suggest to control it?


Answer

Question 13
What do you mean by Biochemical Oxygen Demand (BOD)?


Answer

Question 14
Do you observe any soil pollution in your neighbourhood? What efforts will you make for controlling the soil pollution?


Answer

Question 15
What are pesticides and herbicides? Explain giving examples.


Answer

Question 16
What do you mean by green chemistry? How will it help decrease environmental pollution?


Answer

Question 17
What would have happened if the greenhouse gases were totally missing in the earth's atmosphere? Discuss.


Answer

Question 19
How can domestic waste be used as manure?


Answer

SET

NCERT Chemistry Class 11

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