Which among the following states does not have iron ore mines ?

Which among the following place is a major steel producing factory ?

The  _________ minerals do not contain metals.

________ is required to make petrol .

_____________ is the largest producer of bauxite in the world.

The mineral deposits in North America are located in ____________ zones. 

How many types of coal are there ?

Which among the following is not a main mining center of coal ?

In some oil fields, ________ is found along with mineral oil.

___________ play an important role in the development of human life.