Notes and Study material for Exams
Minerals Minerals are defined as solid, inorganic, naturally occurring substances with a definite chemical formula and general structure. Almost all chemical Elements in the Earth’s crust are associated with at least one mineral. They vary in color, hardness, density, crystal form, crystal size, transparency, composition, location, and abundance. Some minerals are radioactive (uranophane), while others … Read more
Mineral Resources : Iron-Ore: India possesses high quality iron-ore in abundance. The total reserves of iron-ore in the country are about 14.630 million tonnes of haematite and 10,619 million tonnes of magnetite. Haematite iron is mainly found in Chbattisgarh, Jharkhand, Odisha, Goa and Karnataka. The major deposit of magnetite iron is available at western coast … Read more
50. Iron Ore Chhattisgarh 24 % Dalli, Rajhra (Durg), Bailadila, Raoghat, Aridongri 51. Goa (21%) Sanquelim, Sanguem, Quepem, Satari, Ponda, Bicholim 52. Karnataka (20%) Bellary, Hospet, Sandur 53. Jharkhand (17 %) Noamund, Gua 54. Orissa (15 %) Gurumahisani, Sulaipat, Badampahar (Mayurbhanj), Kiriburu, Meghahataburu, Bonai (Sundargarh). 55. … Read more
QUICK REVISION SERIES Allotropes Of Carbon: Concept of Allotropes: An element, in different forms, having different physical properties but similar chemical properties is known as allotropes of that element. Carbon has three well known allotropes which are graphite, diamond and buck minster fullerene. These are formed by carbon atoms. Allotrope Type Properties Graphite Each … Read more
Allotropes of carbon Allotropy is the property of some chemical Elements to exist in two or more different forms, or allotropes, when found in nature. There are several allotropes of carbon. Diamond Diamond is probably the most well known carbon allotrope. The carbon atoms are arranged in a lattice, which is a variation … Read more