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प्रश्न
What are the various steps involved in the extraction of pure metals from their ores?
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उत्तर
Steps involved in the extraction of pure metals from their ores are
- Concentration of the ore
- Extraction of the crude metal
- Refining of the crude metal
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संबंधित प्रश्न
Out of C and CO, which is a better reducing agent at 673 K?
The metal oxide which cannot be reduced to metal by carbon is ____________.
What is the role of Limestone in the extraction of iron from its oxide Fe2O3?
Explain the following term with a suitable example.
Slag
At the temperature corresponding to which of the points in figure, FeO will be reduced to Fe by coupling the reaction \[\ce{2FeO -> 2Fe + O2}\] with all of the following reactions?
(a) \[\ce{C + O2 -> CO2}\]
(b) \[\ce{2C + O2 -> 2CO}\]
(c) \[\ce{2CO + O2 -> 2CO2}\]
(i) Point A
(ii) Point B
(iii) Point D
(iv) Point E
Pb and Sn are extracted from their chief are by:-
CN– solution is used in the extraction of which metal?
Sulphide ore of the metal are usually concentrated by froth floatation process. Which of the following sulphide ore offers an exception and is concentrated by chemical leaching?
Heating pyrites to remove sulphur is called ______.
The process that involves the removal of sulphur from the ores is ______.
