What are CFCs?

Important Questions on Pollution of Air and Water

EASY

8th CBSE

IMPORTANT

EUREKA PLUS Revised Bringing Science to Life>Chapter 18 - Pollution of Air and Water>EXERCISES>Q 2

Define global warming.

EASY

8th CBSE

IMPORTANT

EUREKA PLUS Revised Bringing Science to Life>Chapter 18 - Pollution of Air and Water>EXERCISES>Q 3

Name two diseases caused by drinking contaminated water.

EASY

8th CBSE

IMPORTANT

EUREKA PLUS Revised Bringing Science to Life>Chapter 18 - Pollution of Air and Water>EXERCISES>Q 4

List two chemicals used to purify water.

EASY

8th CBSE

IMPORTANT

EUREKA PLUS Revised Bringing Science to Life>Chapter 18 - Pollution of Air and Water>EXERCISES>Q 5

Mention any two greenhouse gases.

EASY

8th CBSE

IMPORTANT

EUREKA PLUS Revised Bringing Science to Life>Chapter 18 - Pollution of Air and Water>EXERCISES>Q 1

Why does burning of fuels cause air pollution?

EASY

8th CBSE

IMPORTANT

EUREKA PLUS Revised Bringing Science to Life>Chapter 18 - Pollution of Air and Water>EXERCISES>Q 2

How does ozone layer protect life on the Earth?

EASY

8th CBSE

IMPORTANT

EUREKA PLUS Revised Bringing Science to Life>Chapter 18 - Pollution of Air and Water>EXERCISES>Q 3

How are acid rains formed?

EASY

8th CBSE

IMPORTANT

EUREKA PLUS Revised Bringing Science to Life>Chapter 18 - Pollution of Air and Water>EXERCISES>Q 4

List two measures to prevent water pollution.