Which one of the following city has petroleum refinery?

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

The naturally occurring substances that are obtained by mining or drilling are

Which one of the following state has largest deposit of iron ore?

Which one of the following is not a metal?

Which is the largest open pit copper mine in the world?

Which metal is used for constructing buildings and bridges?

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

Rocks are made up of

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