EASY
8th CBSE
IMPORTANT
Earn 100

Name any two renewable natural sources of energy.

Important Questions on Sources of Energy

MEDIUM
8th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 6 - Sources of Energy>Something To Know>Q 3
Define the term 'Carbonisation'.
EASY
8th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 6 - Sources of Energy>Something To Know>Q 4

Name the three main products obtained from destructive distillation of coal.

MEDIUM
8th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 6 - Sources of Energy>Something To Know>Q 5
State the two uses of asphalt.
EASY
8th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 6 - Sources of Energy>Something To Know>Q 5
State two uses of paraffin wax.
MEDIUM
8th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 6 - Sources of Energy>Something To Know>Q 6

Write the full forms of CNG, LPG and PNG.

MEDIUM
8th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 6 - Sources of Energy>Something To Know>Q 1
Describe in brief the process of coal formation.
MEDIUM
8th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 6 - Sources of Energy>Something To Know>Q 2
Differentiate between lignite and bituminous coal.
MEDIUM
8th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 6 - Sources of Energy>Something To Know>Q 3
How do petroleum and natural gas occur in nature?