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High purity copper metal is obtained by...

High purity copper metal is obtained by

A

Carbon reduction

B

Hydrogen reduction

C

Electrolytic reduction

D

Thermite reduction

Text Solution

Verified by Experts

The correct Answer is:
C
Cathode (reduction) `Cu^(2+)(aq) + 2e^(-) rarr Cu(s)`
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PHYSICS WALLAH-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Level II
  1. In haematite extraction, limestone is used as

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  2. Aluminium metal is purified by:

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  3. High purity copper metal is obtained by

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  4. Crystallisation method is used for

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  5. The process of zone refining is used for :

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  6. mineral whose formula is

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

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

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

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

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

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  12. Metallergy is the process of

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

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

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  15. Chemical leaching is useful in the concentration of:

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

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

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

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

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

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