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what are the different methods of extraction of metals?what are the steps involved in it? pls answer (metals and non metals)
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what are the different methods of extraction of metals?what are the st...
Steps Involved in Extraction of Metals from OresGangue → Roasting → Calcination → Reduction• Important terms(a) Gangue : Ores are usually contaminated with large amount of impurities such as soil, sand etc. called gangue.(b) Roasting : The sulphide ores are converted into oxides by heating strongly in the presence of excess air. This process is called roasting.2ZnS + 3O2 →(Heast) 2ZnO + 2SO2(c) Calcination : The carbonate ores are changed into oxides by heating strongly in limited air. This process is called calcination.ZnCO3 →(Heat) ZnO + CO2(d) Reduction : Metal oxides are reduced to corresponding metals by using reducing agent like carbon.ZnO + C → Zn + CO
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what are the different methods of extraction of metals?what are the st...
Thanks both of u..... bt i meant the explanation of methods like froath floatation,hydraylic washing,electromagnetic seperation,cgemical seperation etc....
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what are the different methods of extraction of metals?what are the steps involved in it? pls answer (metals and non metals)
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