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Zone refining process is used for the...

Zone refining process is used for the

A

Concentration of an ore

B

Reduction of a metal oxide

C

Purification of metal

D

Purification of an ore.

Text Solution

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The correct Answer is:
C
Zone refining process is used for the purification of a metal.
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Zone refining method is used for refining

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

DINESH PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-REVISION QUESTIONS FROM COMPETITIVE EXAMS.
  1. In electro-refining of metal the impure me

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  2. An ore of tin containing FeCrO(4) is concentrated by .

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  3. Zone refining process is used for the

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  4. The ignition mixture in Alumino-thermite process contains a mixture of

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  5. Which of the following is not employed for refining of metal ?

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  6. The underlying of blast furnace is made of

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  7. The purpose of smelting an ore is

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  8. Roasting is generally carried out in mineral.

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  9. Cupellation process is involved in the metallurgy of

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  10. The slag obtained during the extraction of copper from coper pyrites i...

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  11. The extraction of which of the following metals involves bessemerisati...

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  12. Which one of the following benefication process is used for the minera...

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  13. Which of the following statements is correct regarding the slag obtain...

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  14. Galvanishing of iron sheets is done by

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  15. The natural materials from which an element can be extracted economica...

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  16. Purification of silicon element used in semiconductors is done by

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  17. During smelting an additional substance is added which combines with i...

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  18. When a metal is to be extracted from its ore and if the gangue associa...

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  19. Which metal cannot be obtained by electrolyte sis?

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  20. Which is the strongest reducing agent ?

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