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The common method for the extraction of ...

The common method for the extraction of metals from the oxide ore is :

A

reduction with carbon

B

reduction with hydrogen

C

reduction with aluminium

D

electrolytic method.

Text Solution

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The correct Answer is:
A
Metals are commonly extracted by reduction with carbon.
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DINESH PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -Multiple Choice
  1. All ores are minerals while all minerals are not ores because :

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  2. The process used for the extraction of sodium is called :

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  3. The common method for the extraction of metals from the oxide ore is :

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  4. Which of the following is not an ore of iron ?

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  5. Which of the following processes is used in the extractive metallurgy ...

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  6. The method of zone refining of metals is based on the principle of :

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  7. Pb and Sn are extracted from their chief ore by :

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  8. Which of the following is not an ore of magnesium ?

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  9. Extraction of zinc from zinc blende is achieved by

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  10. Which of the following statements about the advantage of roasting of s...

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  11. Sulphide ores of the metals are usually concentrated by froth floatati...

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  12. Which of the following is not an ore of aluminium ?

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  13. Which of the following factors is of no significance for roasting sulp...

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  14. When compared to DeltaG^(@) for the formation of Al(2)O(3), DeltaG^(@)...

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  15. Native silver metal forms a water soluble complex with a dilute soluti...

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  16. Which method of purification is represented by the following equations...

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  17. Aluminium is extracted from alumina (Al(2)O(3)) by electrolysis of a m...

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  18. Which one of the following is a mineral of iron ?

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  19. In the cyanide extraction process of silver from argentite ore, the ox...

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  20. Sulphide ores are common for the metals

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