Question

CBSE class 8 chapter 5 coal and petroleum


fill in the blanks

1. Metals and coal are ___________ resources.


2. Sunlight is a renewable resource that ____________(can/cannot) be exhausted,

,3. Coal is a non-renewable resource that (can/cannot) be recycled.

4. Coal, natural gas and petroleum are together known as __________fuels.

5. A _______ is a substance that can be burned to obtain energy


6.__________, ___________ and are __________higher grades of coal than lignite.


7. The process of separating petroleum into its fractions is called _________

8. Natural gas consists mainly of ________​

Answer 1

Answer:

1. non renewable resources

2. cannot

3.cannot

4.Fossil

5. Fuel

6. Anthracite, Bituminous, Subbituminous

7.Refining of petroleum

8. Methane

Thanks Sis