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Crystallisation method is used for...

Crystallisation method is used for

A

The concentration of ore

B

The reduction of metal oxide

C

The purification of metal

D

The purification of ore

Text Solution

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The correct Answer is:
C
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PHYSICS WALLAH-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Level II
  1. Aluminium metal is purified by:

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  2. High purity copper metal is obtained by

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  3. Crystallisation method is used for

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  4. The process of zone refining is used for :

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  5. mineral whose formula is

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  6. Froth floatation process for the concentration of sulphide ore is an i...

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  7. The reason for floating of ore particles in concentration by froth flo...

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  8. Slag formed during smelting process in the extraction of Fe (from haem...

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  9. Leaching the silver and gold metal with CN^(-)

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  10. A sulphide ore like ZnS is first roasted into its oxide prior to reduc...

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  11. Metallergy is the process of

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  12. The rocky and siliceous matter associated with an ore is called:

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

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  14. Chemical leaching is useful in the concentration of:

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  15. Process of heating ore is air to remove sulphur is:

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  16. When limestone is heated strongly, it gives off CO(2). In matallurgy t...

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  17. Which of the following metals is obtained by the self reduction proces...

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  18. Self-reduction of Cu(2)S to Cu can be carried out in.

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  19. Identify the metal M whose extraction is based on the following reacti...

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  20. Cyanide proces is used for the extraction of

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