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By which process and is extracted from z...

By which process and is extracted from zinc blende?

A

Electrolytic reduction

B

Roasting followed by reduction with carbon

C

Roasting followed by self-reduction

D

Roasting followed by reduction with other metal

Text Solution

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The correct Answer is:
B
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CENGAGE CHEMISTRY ENGLISH-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-Exercise (Single Correcttype)
  1. Which of the following statements about the reduction is not true ?

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  2. Among the metals Cr,Fe,Mn,Ti,Ba, and Mg, the one that cannot be obtain...

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  3. By which process and is extracted from zinc blende?

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  4. Which of the following factors is of no significance for roasting sul...

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  5. The incorrect statement among the following is

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

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  7. Bauxide ore is made up of Al(2)O(3) + SiO(2) + TiO(2) + Fe(2) O(3). Th...

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

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

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

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  11. The incorrect statement is

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  12. Composition of malachite mineral is

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  13. Select the correct statement

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  14. Ellingham diagram represents change of

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

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

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

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

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

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

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