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Copper Matte is extracted from copper py...

Copper Matte is extracted from copper pyrites ore by heating it in blast furnace. The method is based on the principle that:

A

iron has less affinity for oxygen than sulphur at high temperature

B

sulphur has less affinity for oxygen at high temperature

C

copper has more affinity for oxygen than sulphur at high temperature

D

copper has less affinity for oxygen than sulphur at high temperature

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The correct Answer is:
D
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NARAYNA-METALLURGY-EXERCISE - III
  1. Flux used in the smelting of copper arc is:

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  2. Which metal is refined by Mond's process?

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  3. The form of iron obtained from blast furnace is:

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  4. Aluminium is extracted from Alumina (Al(2)O3 ) by electrolysis of a mo...

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  5. In the exteraction of copper from its sulphide ore, the metal is fanal...

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  6. Identify the alloy containing a non metal as a constituent in it

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  7. Which ore of the following is a mineral of iron ?

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  8. Which one of the following is not a sulphide ore ?

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  9. High purity copper is obtained by

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  10. Roasting of sulphides gives the gas X as a by product. This is a colou...

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  11. The process of zone refining is used in the purification of :

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  12. Amongest the following , how many ores can be concentrated by froth fl...

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  13. Which method of purification is represented by the following equations...

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  14. The statement that is not correct is

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  15. 'Metals are usually not found as nitrates in their ores''. Out of the ...

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  16. Cryolite is

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  17. Copper Matte is extracted from copper pyrites ore by heating it in bla...

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  18. In the exteraction of copper from its sulphide ore, the metal is fanal...

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  19. 'Metals are usually not found as nitrates in their ores''. Out of the ...

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  20. Match the following

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