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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. Ellingham diagram represents:

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  2. Which iof the following reactions represents the self-reduction proce...

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  3. When lead nitrate is heated it breaks down into lead monoxide, nitroge...

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  4. The iron obtained from the blast furnace is called:

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  5. Which of the following fluxes is used to remove acidic impurities in ...

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  6. The metal which is obtained from both sea- water and ores form the ea...

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  7. Which metal is extracted using a hydrometallurgical process involving ...

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  8. Which of the following metals cannot be extracted by the carbon reduct...

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  9. Electrolyte reduction method is used in the extraction of

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  10. In extraction of iron, limestone is used for

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  11. Aluminium metal is purified by :

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  12. High purity copper metal is obtained by

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  13. Crystallisation method is used for

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  14. The process of zone refining is used for :

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  15. Dolomite is mineral whose formula is:

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

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

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

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

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

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