Spelter is

A

Impure Cu

B

Impure Zn

C

ZnO

D

CuO

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The correct Answer is:
B
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Impurities in the zinc spelter are

What is zinc spelter? How is it purified?

Find the total number of step in the following used during the extraction of spelter from zinc blende: Poling, Electroefining, Roasting, Froth floatation method, Smelting, Magnetic separation.

Metallurigical process of zinc involves roasting of zinc sulphide followed by reduction. Metallic zinc distills over as its volatile and impurities like Cu, Pd and Fe gets condensed. The crude metal obtained is called spelter, which may be purified by:

NIKITA PUBLICATION-GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS-Multiple choice questions
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  2. Polling process us used in the purification of

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  3. Spelter is

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  4. Roasting is used during metallurgical operation using

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  5. Pig iron is converted into strrl by decreasing the amount of carbon pr...

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  6. Near the top of the blast furnace, iron oxides are reduced to …… by ca...

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  7. Hoop's process of purification of aluminium involves formation of laye...

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  8. During electrorefining of a metal, impure metal is made anode.

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  9. In Ellingham diagram, the slope of the carve of the formation metal ox...

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  10. Which of the following statement (s) is (are) correct for the extracti...

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  11. Which of the following processe (s) during the extraction of copper fr...

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  12. Polling process is used for the refining of (1) Iron (2) Copper (3...

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  13. Calcium silicate (slag) formed in the slag formation zone is extractio...

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  14. The major role of fluorpar (CaF2 ) which added in small quantities in ...

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  15. Why is the extraction of copper from pyrites more difficult than that ...

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  16. Which of the following statement (s) is /are correct ? (1) Cuprite a...

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  17. Electrolytic reduction of alumina to aluminium by the Hall-Heroult pro...

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  18. Slag is formed by reaction between

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  20. In the purification of aluminium by Hoope's process, impurities of sil...

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