MEDIUM
8th CBSE
IMPORTANT
Earn 100

Give reason:

Water is a renewable natural resource.

Important Questions on Coal and Petroleum

MEDIUM
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 5 - Coal and Petroleum>EXERCISES>Q 3

Give reason:

Anthracite is the highest grade of coal.

MEDIUM
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 5 - Coal and Petroleum>EXERCISES>Q 4

Give reason:

Burning fossil fuels pollute air.

MEDIUM
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 5 - Coal and Petroleum>EXERCISES>Q 1
Describe the process of the formation of coal.
MEDIUM
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 5 - Coal and Petroleum>EXERCISES>Q 2

Describe the process of formation of petroleum and natural gas.

MEDIUM
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 5 - Coal and Petroleum>EXERCISES>Q 3
Explain the process of fractional distillation?
MEDIUM
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 5 - Coal and Petroleum>HIGHER ORDER THINKING SKILLS>Q 1
Why petroleum has taken a million years to form?
MEDIUM
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 5 - Coal and Petroleum>HIGHER ORDER THINKING SKILLS>Q 2
Why burning of coal, diesel and petrol can damage air, water and soil?
MEDIUM
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 5 - Coal and Petroleum>HIGHER ORDER THINKING SKILLS>Q 3
Why CNG is less polluting fuel?