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Gold is extracted by hydrometallurgical ...

Gold is extracted by hydrometallurgical procees based on its property

A

Of being electropositive

B

To form complexes, which are water soluble

C

Of being less reaction

D

To form salts, which are water soluble

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The correct Answer is:
B
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Select the property which forms the basis of hydrometallurgical process that is used for extraction of gold.

Hydro-metallurgical process of extraction of metals is based on

CENGAGE CHEMISTRY-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-Exercise (Single Correcttype)
  1. Elingham diagram represents.

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  2. To carry out a reduction process, select a temperature so as to make

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

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  4. van Arkel method of purification of metals involves converting the met...

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  5. DeltaG^(@) vsT plot in the Ellingham diagram slopes down for the react...

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  6. Self-reduction of Cu(2)S to Cu can be carried out in.

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  7. Ag(2)S +NaCN rarr (a) (a) +Zn rarr (d) (b) is a metal. Hence (a) a...

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  8. During smelting, an additional is added which combines with impurites ...

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  9. The process of isolation of metals by dissolving the ore in a suitable...

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  10. Complex formed in the following methods are (I) Mond's process for p...

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  11. Casseterite ore consists of magnetic impurity named as

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  12. Find the formula of A ZnS + O(2) rarr (A) + SO(2).

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  13. Four metals and their methods of refinement are given (i) Ni,Cu,Zr,G...

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  14. Which of the following statement is correct regarding Cu extraction ?

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  15. Which of the following process is not involved in the extraction of Fe...

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  16. Carbon reduction process is not commercially applicable for which of t...

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  17. Which of the following metal can be reduced by carbon reduction as wel...

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  18. Which of the following faction is of no significance for roasting sul...

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  19. The method not used in metallurgy to refine impure metal is :

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  20. Chalcogens are

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