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In the extraction of copper from its sul...

In the extraction of copper from its sulphide ore, the metal is formed by reduction of 'Cu2 O' with

A

FeS

B

Co

C

Cu2S

D

SO2

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The correct Answer is:
C
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V PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-QUESTION BANK
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  2. In the aluminothermite process alluminium acts as

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  4. Silver is obtained from Na [ '.Ag(CN)2]' by reaction with

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  5. Van Arkel method of purification of metals involves converting the met...

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  6. Heating an ore in the absence of air. below its melting point is calle...

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  7. In the froth floatation process for benefication of the ores, the ore ...

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  8. Galena is an ore of

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  9. For which ore of the metal, froth floatation method is used for concen...

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  10. The froth floatation process is based upon

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  11. Which one of the following ores is best concentrated by froth floatati...

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  12. Cassiterite is an ore of

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  13. Cassiterite is concentrated by

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  14. Which of the following metals is extracted by. the electrometallurgica...

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  15. The methods chiefly. used for the extraction of lead and tin from thei...

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  16. In the extraction of Fe from 'Fe2 O3' the reducing agent is

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  17. During the extraction of iron, slag produced is

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  18. The magnetite ore is

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  19. The ore having two different metal atom is

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  20. The most electropositive metals are isolated from their ores by

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