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  • Essay / Metals and Mining in India - 1224

    Chemistry Task SheetMetal from their oresWhat is an ore?An ore is a rock that contains essential minerals and elements such as metals. It occurs naturally and is obtained through mining. Elements of value are then extracted using different methods. In simpler terms, it is a natural solid material from which a valuable metal or mineral can be profitably extracted.IronHow is iron found naturally in the environment?Iron is very reactive and is found in nature in the form of oxides, carbonates and sulfates. Iron, in terms of mass, is the most common element on Earth, forming a large portion of the inner core. It is the fourth most common element in the earth's crust. How is iron formed in the earth's crust? The very common occurrence of iron on rocky planets like Earth is due to its abundant production resulting from the merger of high-mass stars. are rocks and minerals from which metallic iron can be extracted. The ores are generally rich in iron oxides and vary in color from dark gray to bright yellow, dark purple and rusty red. Iron itself is commonly found in the form of magnetite (Fe3O4), hematite (Fe2O3), goethite (FeO(OH)), limonite (FeO(OH).n(H2O)), siderite (FeCO3 ) and iron pyrites (FeS2). ). The main iron ore is hematite. Iron ore contains impurities, mainly silica (silicon dioxide). Since iron is lower than carbon in the reactivity series, it can expel or displace iron from iron oxide. Ores containing very large amounts of hematite or magnetite (greater than ~60% iron) are known as "natural ore" or "direct ore". shipping ore", meaning they can be directly fed into iron by placing them in blast furnaces. Most reserves of this ore are now... middle of paper...... and community development projects are important Mining can negatively impact people by:• forcing them from their homes and land• preventing them from accessing clean land and water• having a negative impact. impact on their health• changing the social dynamics of a communityRestoring balanceScientists and environmental groups have become increasingly concerned in recent decades about the damage caused by mining projects. Their continued campaign has led to the. introducing new government legislation on mining and mineral exploration They also worked with mining companies and government departments to create environmentally sustainable solutions for land use. These include providing sufficient funding for the rehabilitation of mining sites, limits on the types of chemicals that can be used, and stricter laws for the disposal of mining waste...