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Cyanide process is used for the extracti...

Cyanide process is used for the extraction of :

A

Na

B

Ag

C

Cu

D

Zn

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The correct Answer is:
B
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ERRORLESS-GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS-NCERT BASED QUESTIONS (Refining of Crude Metal)
  1. Hydro-metallurgical process of extraction of metals is based on

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  2. Cyanide process is used for the extraction of :

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  3. In the electrolytic refining of a metal, the impure metal is made the

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  4. Zone refining method is used for refining

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  5. Zone refining is used for purification of :

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  6. In order to refine “blister copper” it is melted in a furnace and is s...

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  7. Gold is extracted by hydrometallurgical procees based on its property

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  8. Zone refining is based on the principle that

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  9. One of the following metals forms a volatile compound and this propert...

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  10. Cupellation process is involved in the metallurgy of

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  11. The temperature of the slag zone in the metallurgy of iron using blast...

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

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  13. A metal which is refined by poling is

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  14. Van Arkel method of refining zirconium involves

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  15. In the extraction of chlorine by electrolysis of brine.

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  16. Brine is electrolysed by using inert electrodes. The reaction at anode...

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

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  18. The function of fluorspar in the electrolytic reduction of alumnia dis...

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  19. In the commercial electrochemical process for aluminium extraction, th...

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  20. The purification of alumina is called

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