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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 the reduction of `Cu_2O` with :

A

FeS

B

CO

C

`Cu_2S`

D

`SO_2`

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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
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  2. Zone refining is based on the principle that .

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  3. In the extraction of copper from its sulphide ore, the metal is formed...

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  4. During the electrolysis of NaCl solution, the gas liberated at the ano...

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  5. An ore of aluminium is

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  9. Answer the question on the basis of figure given below : Below poi...

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  10. Answer the question on the basis of figure given below : For the r...

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  11. In the following questions two or more options may be correct. At the ...

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  12. In the following questions two or more options may be correct. Which o...

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  13. In the extraction of aluminium by Hall-Heroult process, purified Al2O3...

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  14. Which of the following statements is correct ?

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  15. In the Froth Floatation process, zinc sulphide and lead sulphide can b...

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  16. Common impurities present in bauxite are .

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  17. Which of the following ores are concentrated by froth floation ?

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  18. Which of the following reactions occur during calcination?

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  19. For the metallurgical process of the ores calcined ore can be reduced ...

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  20. The main reactions occurring in blast furnace during extraction of iro...

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