Mention the step involved in the extraction of pure metal from its ores in the form of chart
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Explanation:
The various steps involved in the extraction of pure metals from their ores are as follows:
Concentration of ores.
Conversion of ores into oxides or other desired compounds.
Reduction of ores to form crude metals.
Refining of metals.
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Answer:
The carbonate ores are changed into oxides by heating strongly in limited air. This process is called calcination. ZnCO
3
(s)
heat
ZnO(s)+CO
2
(g)
The metal oxides are then reduced to the corresponding metals by using suitable reagents such as carbon. For, example, when zinc oxide is heated with carbon, it is reduced to metallic zinc.
ZnO+C→Zn+CO
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