All steps are used for the extraction of metals except
All steps are used for the extraction of metals except
Explanation
The extraction of metals and their isolation occurs over a few major steps:
وہ اقدامات دھاتوں کو نکالنے کے لیے استعمال کیے جاتے ہیں۔
Concentration of Ore – Here the ore is separated from earthy impurities.
Isolation of metal from concentrated Ore – Here the ore is converted to its oxide form and then reduced. The steps involved are either calcination or roasting and then heating with a reducing agent.
Purification of the metal – Here the metal is purified for practical purposes.