… is called black gold.

… gas obtained during the processing of coal to get coke.

Coal fired power plants emits

… is inexhaustible source of energy in the given below.

… is a mixture of 200 substances.

CNG means …

Purest form of carbon is called

… use wind energy to produce current.

Napthalene is obtained from

What will happen if there is no petrol and coal?

Petroleum components are separated by a technique called

Process of conversion of dead vegetation into coal is called

Separation of petroleum products from petroleum is called …

Metals are extracted from

Why does we call coal and petrol are exhaustible resources?