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Auto-reduction process is used for the e...

Auto-reduction process is used for the extraction of :

A

`Hg`

B

`Cu`

C

`Pb`

D

`Fe`

Text Solution

Verified by Experts

The correct Answer is:
D
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CENGAGE CHEMISTRY ENGLISH-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-Exercise (Single Correcttype)
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  2. The incorrect statement among the following is

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  3. Auto-reduction process is used for the extraction of :

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  5. Identify the reaction that does not take place in a blast furnace

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  6. Native silver metel froms a water solube, complex with a dilute aqueou...

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  7. When copper pyrites is roasted in excess of air, a mixture of CuO + Fe...

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  8. The incorrect statement is

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  10. Select the correct statement

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  11. Ellingham diagram represents change of

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

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

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

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

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

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

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

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

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  20. Complexes formed in the following methods are : (1) Mond’s process ...

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