Home Preparation for National Talent Search Examination (NTSE)/ Olympiad
Chapter : 1. Minerals and Energy Resources
Mineral
A substance which is found in the earth’s crust and which generally has a definite chemical composition. Importance of minerals : 1. Everything we use are made from minerals. 2. The country earns foreign exchange from the export of minerals. 3. Mining and extraction of minerals provide employment to the people. 4. Minerals like coal and petroleum are also the main source of power.