Which is a bright yellow non metallic mineral?

Which of the following is a non metallic mineral?

Which type of mining involves the digging out of minerals?

Where does copper mines are found?

Where does iron mines are found?

Which mines are prone to catch fire?

Which mining is used for obtaining cassiterite?

Which method is used for mining of limestone?

Which type of mineral is an important fuel resource?

Which country has large reserves of bauxite?