Write the full form of PCRA.

Name the petroleum product used for surfacing of roads.

Name any four places in India where petroleum is found.

State whether the following statements are true or false:

(a) Coke is almost pure from carbon.

(b) Coal tar is a mixture of various substances.

(c) Kerosene is not a fossil fuel.

(d) CNG is more polluting than petrol.

(e) Fossil fuels can be made in the laboratory.

Fill in the following blanks with suitable words:

(a) Fossil fuels are………...and…….

(b) Coal contains mainly…………...

(c) The slow process of conversion of dead vegetation into coal is called……………

(d) The process of separation of different constituents from petroleum is called……………...

(e) The least polluting fuel for vehicles is…….

(f) The burning of fossil fuels causes air………….and also leads to global…………...