CBSE (Commerce) Class 11CBSE
Account
It's free!

User


Login
Create free account


      Forgot password?
Share
Notifications

View all notifications
Books Shortlist
Your shortlist is empty

NCERT solutions Chemistry Class 11 Part 2 chapter 14 Environmental Chemistry

Chapters

NCERT Chemistry Class 11 Part 2

Chemistry Textbook for Class 11 Part 2

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
S