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Zinc is obtained on large scale by...

Zinc is obtained on large scale by

A

Electrolysis of `ZnCl_2`

B

Reduction of ZnO

C

Precipitation with Ag

D

Any of these methods

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The correct Answer is:
B
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AAKASH SERIES-PRINCIPLES OF METALLURGY-OBJECTIVE EXERCISE-1
  1. In the metallurgy of copper blister copper is obtained from

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  2. Blister Cu is about :

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  3. Zinc is obtained on large scale by

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  4. in Belgian process for reduction of ZnO to Z reductant is

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  5. The metal that occurs in the native state as well as in the combined f...

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  6. A common metal widely used in the displacement method to obtain other ...

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  7. The metal extracted by leaching with a cyanide is

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  8. The chemical reagent used for leaching of gold and silver ores is

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  9. Name the metal M, which is extracted based on the following equation ...

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  10. Of the following metals that cannot be obtained by electolysis of the ...

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  11. Which of the following process is used in the extractive metallurgy of...

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  12. In the Bayer's process of purification of red hauxite the leaching age...

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  13. Chemical leaching is useful in the concen-tration of

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  14. The electrolytic reduction method for the preparation of aluminium is ...

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  15. During the electrolytic reduction of alumina, the reaction at cathode ...

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  16. Coinage alloy contains copper. The other metal present may be

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  17. Alloy used in making anchors, bolts, chains and wires

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  18. (A) : Cassiterite mineral is concentrated by electromagnetic method ...

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  19. (A) Efficiency of the reverboratary furnace is less (R) The waste...

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  20. (A): In the smelting of copper pyrites in blast furace, Cu(2)S formed ...

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