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Zinc is extracted from zinc oxide by its...

Zinc is extracted from zinc oxide by its reaction with coke in

A

Earthen clay retort

B

Blast furnace

C

Bessemer converter

D

Reverberatory furnace

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Zinc is extracted from zinc blende by

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Why is zinc not extracted from zinc oxide through reduction using CO?

Why is zinc not extracted from zinc oxide through reduction using CO?

Give the reaction involved during extraction of zinc from its ore by (a) roasting of zinc ore. " " (b) calcination of zinc ore.

Choose from the following list of substances, as to what matches the description given below: [Acetylene gas, aqua fortis, coke, brass, barium chloride, bronze, platinum). (i) A black powdery substance used for the reduction of zinc oxide during its extraction. (ii) The substance is an alloy of zinc, copper and tin.

Which will reduce zinc oxide to zinc?

AAKASH INSTITUTE ENGLISH-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Objective type Questions (One option is correct)
  1. Roasting of sulphide ore is generally performed in

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  2. The final stage of self reduction for the extraction of Cu is carried ...

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  3. Zinc is extracted from zinc oxide by its reaction with coke in

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  4. Which of the following metal is leached by Cyanide process

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  5. Hall Heroult method is used for the extraction of

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  6. During the collection of Al by Hall Heroult method, how much of graphi...

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  7. boiling process is used for:

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  8. Impure zince, as collected from earthen clay retort, is called

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  9. What is the material collected from reverberatory furnace in the metal...

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  10. During smelting, an additional substance is added which combines with ...

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  11. Sulphide ores of metals are usually concentrated by froth floatation p...

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  12. Heating pyrites to remove sulphur is called

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  13. The process of converting hydrated alumina into anhydrous alumina is c...

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

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

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

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

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

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  19. Zone refining is based on the principle that .

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

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