List of top Science Questions on Coal asked in CBSE Class VIII

Explain why fossil fuels are exhaustible natural resources.

Describe characteristics and uses of coke.

Tick True/False against the following statements.

1. Fossil fuels can be made in the laboratory.           (T/F)
2. CNG is more polluting fuel than petrol.                  (T/F)
3. Coke is almost pure form of carbon.                       (T/F)
4. Coal tar is a mixture of various substances.          (T/F)
5. Kerosene is not a fossil fuel.                                     (T/F)

Describe how coal is formed from dead vegetation. What is this process called?