The process used to separate petroleum into different products is

Which one of the following city has petroleum refinery?

What is found along with petroleum in some oil wells?

Which one of the following natural resources are not used completely ?

Which one of the following mineral is found in Bombay High?

Where is oil refinery located in Kerala?

The minerals such as petrol, coal, mica and limestone are

Which one of the following is an exhaustible source of energy?

Which metal is used for constructing buildings and bridges?

Rocks are made up of