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Gold is extracted by hydrometallurgical ...

Gold is extracted by hydrometallurgical procees based on its property

A

of bing electropositive

B

of being less reactive

C

to form salts which are water soluble

D

to form complexes which are water soluble

Text Solution

Verified by Experts

The correct Answer is:
D
`[Au(CN)_(2)]^(-)`is water soluble complex.
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(a) How can copper be extracted from hydrometallurgical process ?

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Select the property which forms the basis of hydrometallurgical process that is used for extraction of gold.

A2Z-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF METALS-Metallurgy Of Cu, Fe, Ag, Al, Zn, And Au
  1. Purification of aluminium is called

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  2. Which of the following statements is correct regrading the slag obtain...

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

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  4. In the metallurgy of aluminium

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  5. In the metallurgy of iron, the upper layer obtained in the bottom of b...

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  6. During Hoppes process for electrolytic refining of A1, the middle laye...

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  7. The processes used in the refining of aluminium and metals respectivel...

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  8. In the extraction of aluminium Process X: employed for red bauxite t...

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  9. Thermite is a mixture of iron oxide and -------------- ? .

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  10. Which of the following diagrams us correctly related to different step...

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  11. Magnesium is extracted electrolysing fused magnesium chloride containi...

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  12. Which is an alloy of aluminium?

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  13. In the electrolyic refining of copper using CuSO(4) as electrolyte the...

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  14. In the electrolysis of molten alumina during the manufacture of alumin...

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  15. Which one of the following metals has the largest abundance in the ear...

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  16. Which of the following diagram is correctly related to refining of gol...

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  17. Select correct statement regrading silver extraction//purification pro...

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  18. The processes used in the refining of aluminium and metals respectivel...

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  19. Which one of the following is the major impurity in pig iron?

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  20. The anode mud obtained during electrorefining of copper may contain.

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