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The extraction of zinc from zinc blende ...

The extraction of zinc from zinc blende is achieved by :

A

Electrolytic reduction

B

Roasting followed by reduction with carbon

C

Roasting followed by reduction with another metal

D

Roasting followed by self reduction

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Extraction of Zinc from zinc blende is achieved by Roasting followed by self-reduction. True/False

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Zinc is a

AAKASH INSTITUTE ENGLISH-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Objective type Questions (One option is correct)
  1. The process of converting hydrated alumina into anhydrous alumina is c...

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  2. The electrolytic solution used for extraction of Al in Hall Heroult me...

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  3. The extraction of zinc from zinc blende is achieved by :

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  4. Given below are the steps for extraction of copper from its ore. Write...

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  5. Which of the following metals is purified by distillation process ?

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  6. Vapour phase refining can be carried out in case of

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  7. Zone refining is based on the principle that .

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  8. Which of the following is not a method of purification of metals ?

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  9. Assertion: Zone refining method is used to produce pure metals which a...

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  10. Which of the following is not a use of aluminimum ?

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  11. Which of the following is not a use of zinc ?

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  12. Wrought iron is used for making

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  13. Which of the followed metals can be extracted by using carbon reductio...

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  14. Purest form of iron is

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  15. The metal oxide which cannot be reduced to metal by carbon is

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  16. On heating a mixture of Cu(2)O and Cu(2)S, we get

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  17. Which of the following pairs of metals is purified by van-Arkel method...

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  18. State briefly the principles which serve as basis for the following op...

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  19. In zone refining methods, the molten zone

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  20. Ag(2)S+NaCNto(A), (A)+Znto(B)+Ag (A) and (B) are respectively

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