Category: Metals and Alloys

Iron Ores Iron ores are compounds of iron with non-metallic elements. They also contain impurities such as carbon, manganese, phosphorous, silicon and sulphur. The iron ores are extracted from the earth by mining operations. While selecting iron ores, the following aspects should be considered: Important varieties of iron ores are haematite, limonite, magnetite, pyrite and…

We use metals daily in one form or the other. Metals are also used for various engineering works such as structural members, roofing materials, reinforcing material, pipes, tanks, etc. Among the metals, iron is the most commonly used one. It is also available in abundance. It is stated that about 5% of iron is present…