Why should we conserve fossil fuel?

Important Questions on Coal and Petroleum

EASY

8th CBSE

IMPORTANT

GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 5 - Coal and Petroleum>Chapter Review>Q 1

How was coal formed?

HARD

8th CBSE

IMPORTANT

GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 5 - Coal and Petroleum>Chapter Review>Q 2

What do you mean by petroleum refining? Draw a labelled diagram of a fractionating column.

MEDIUM

8th CBSE

IMPORTANT

GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 5 - Coal and Petroleum>Chapter Review>Q 3

Name five products obtained from the refining of petroleum. List the uses of each.

HARD

8th CBSE

IMPORTANT

GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 5 - Coal and Petroleum>Chapter Review>Q 4

How are petroleum and natural gas formed? How are they extracted?

MEDIUM

8th CBSE

IMPORTANT

GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 5 - Coal and Petroleum>Chapter Review>Q 5

List six things you can do to conserve fuels.

HARD

8th CBSE

IMPORTANT

GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 5 - Coal and Petroleum>HOTS>Q 1

Why is coal gas not used as a cooking fuel?

HARD

8th CBSE

IMPORTANT

GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 5 - Coal and Petroleum>HOTS>Q 2

What is the difference between biogas and natural gas?

MEDIUM

8th CBSE

IMPORTANT

GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 5 - Coal and Petroleum>HOTS>Q 3

Why did the remains of plants get converted into coal and petroleum?