write any 3 uses of the following:
1>Ferrous minerals
2>Non-ferrous minerals
3>Non-metallic minerals
4>Rock minerals
Answers
Answer:
In metallurgy, a non-ferrous metal is a metal, including alloys, that does not contain iron(ferrite) in appreciable amounts.
Generally more costly than ferrous metals, non-ferrous metals are used because of desirable properties such as low weight (e.g. aluminium), higher conductivity (e.g. copper),[1] non-magnetic property or resistance to corrosion (e.g. zinc).[2] Some non-ferrous materials are also used in the iron and steel industries. For example, bauxite is used as flux for blast furnaces, while others such as wolframite, pyrolusite and chromiteare used in making ferrous alloys.[3]
Important non-ferrous metals include aluminium, copper, lead, nickel, tin, titaniumand zinc, and alloys such as brass. Precious metals such as gold, silver and platinum and exotic or rare metals such as cobalt, mercury, tungsten, beryllium, bismuth, cerium, cadmium, niobium, indium, gallium, germanium, lithium, selenium, tantalum, tellurium, vanadium, and zirconium are also non-ferrous.[4] They are usually obtained through minerals such as sulfides, carbonates, and silicates.[5] Non-ferrous metals are usually refined through electrolysis.[6]
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