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In the leaching process ,the metal prese...

In the leaching process ,the metal present in the ore is converted into…..

A

Soluble salt

B

Soluble complex

C

Insoluble complex

D

both (a) and (b)

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FULL MARKS-METALLURGY -Additional questions ( CHOOSE THE BEST ANSWER )
  1. Depressing agents used to separate ZnS from PbS is ……..

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  2. Leaching is also called as……..

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  3. In the leaching process ,the metal present in the ore is converted int...

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  4. Gold ore is concentrated by…….

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  5. Bauxite is purified by…….

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  6. Which type of leaching process convert insoluble sulphide ores into ...

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  7. A chemist involves mining process and he got two ores together .If on...

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  8. The process in which the concentrated ore is strongly heated in the ab...

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  9. A chemical substance that forms an easily fusible slag with gangue is ...

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  10. Blistered copper is………………

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  11. Ignition mixture used in aluminothermic process is ………….

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  12. For spontaneous reaction ,the change in free energy should be…

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  13. The change in Gibbs free energy for a reaction is expanded by...........

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  14. Relationship between DeltaG^(@) and K(P) is…….

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  15. Consider the following statements. (i)Ellingham drawn on a plot by c...

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  16. Which of the following oxides is unstable at moderate temperature?

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  17. The oxides will decompose on heating even in the absence of reducing ...

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  18. consider the following statements (i)Ellingham diagram gives informa...

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  19. Gibbs free energy change for the electrolysis process is expressed by ...

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  20. The technique used to refining zinc and mercury is ……

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