Match the following option:

A. L.P.G.	(i) fuel in lamps
B. Petrol	(ii) fuel at home for cooking
C. Kerosene	(iii) fuel for light vehicles
D.  Diesel	(iv) used in ointments and vaseline
E. Paraffin wax	(v) fuel for heavy vehicles

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

Fossil fuels are ________, ________ and ________.

Process of separation of different constituents from petroleum is called __________.

Least polluting fuel for vehicle is ________.

Fossil fuels can be made in the laboratory.

CNG is more polluting fuel than petrol.

Coke is almost pure form of carbon.

Coal-tar is a mixture of various substances.

Kerosene is not a fossil fuel.

Explain why fossil fuels are exhaustible natural resources?