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NCERT solutions Chemistry Class 11 Part 2 chapter 14 Environmental Chemistry

Chapter 14 - Environmental Chemistry

Page 413

Define environmental chemistry.

Q 1 | Page 413

Explain tropospheric pollution in 100 words.

Q 2 | Page 413

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

Q 3 | Page 413

List gases which are responsible for greenhouse effect

Q 4 | Page 413

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

Q 5 | Page 413

What is smog?

Q 6.1 | Page 413

How is classical smog different from photochemical smog?

Q 6.2 | Page 413

Write down the reactions involved during the formation of photochemical smog.

Q 7 | Page 413

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

Q 8 | Page 413

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

Q 9 | Page 413

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

Q 10 | Page 413

What are the major causes of water pollution? Explain.

Q 11 | Page 413

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

Q 12 | Page 413

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

Q 13 | Page 413

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

Q 14 | Page 413

What are pesticides and herbicides? Explain giving examples.

Q 15 | Page 413

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

Q 16 | Page 413

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

Q 17 | Page 413

A large number of fish are suddenly found floating dead on a lake. There is no evidence of toxic dumping but you find an abundance of phytoplankton. Suggest a reason for the fish kill.

Q 18 | Page 413

How can domestic waste be used as manure?

Q 19 | Page 413

For your agricultural field or garden, you have developed a compost producing pit. Discuss the process in the light of bad odour, flies and recycling of wastes for a good produce.

Q 20 | Page 413

NCERT Chemistry Class 11 Part 2

Chemistry Textbook for Class 11 Part 2