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In the cyanide extraction process of sil...

In the cyanide extraction process of silver from argentite ore, the oxidising and reducing agents are

A

`O_(2)` and CO respectively

B

`O_(2)` and Zn respectively

C

`HNO_(3)` and Zn dust respectively

D

`HNO_(3)` and CO respectively.

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B
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Ibn the cyanide extraction process of silver form aragetite are ,oxidizing and reduction agents used are action .

There are following extraction process of silver but not:

Statement-1:In cyanide process for the extraction of gold and silver from their natives, ores, the cuanide solution acts as a reducing agent to reduce the gold and siver compound present in the ores into the metallic states. Statement-2:In the extraction of gold and silver, the cyanide solution acts as complexing ragent in the presence of air and form their respective soluble complexes.

DINESH PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -Multiple Choice
  1. Aluminium is extracted from alumina (Al(2)O(3)) by electrolysis of a m...

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  2. Which one of the following is a mineral of iron ?

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  3. In the cyanide extraction process of silver from argentite ore, the ox...

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  4. Sulphide ores are common for the metals

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  5. The metallic lustre of metals is due to :

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

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  7. Which is an oxide ore ?

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  8. In the metallurgy of iron, when lime stone is added to blast furnace, ...

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  9. The statement that is NOT correct is that

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  10. Cryolite is

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  11. In the extraction of copper from its sulphide ore, the metal is finall...

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  12. Metals are usually not found as nitrates in their ores. Out of the fol...

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  13. In the context of the Hall-Heroult process for the extraction of Al, w...

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  14. Roasted gold ore +CN^(-)+H(2)O overset(O(2)) to [X]+OH^(-)

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  15. Which of the following ores is best concentrated by Froth Floatation p...

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  16. Which of the following is a carbonate ore ?

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  17. Extraction of gold and silver involves leaching the metal with CN^(-) ...

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  18. Purification of alumina by electrorefining is known as :

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  19. Considering Ellingham diagram, which of the following metals can be us...

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  20. Cassiterite is an ore of :

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