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A sulphide ore is converted into metal o...

A sulphide ore is converted into metal oxide by the process of:

A

Calcination

B

Roasting

C

Smelting

D

Leaching

Text Solution

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The correct Answer is:
B
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How is mercury extracted from its sulphide ore? Write the balanced chemical equations involved in the process. Why are carbonate or sulphide ores converted to oxides during the process of extraction? Is magnesium oxide an ionic compound or a covalent compound? Give reasons to support your answer.

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AAKASH INSTITUTE-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Assignment (Section-A) Objective type Question
  1. Which of the following is commonly used to produce form in froth float...

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  2. Serpeck's method involves the heating of bauxite with

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  3. A sulphide ore is converted into metal oxide by the process of:

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  4. Which of the following metal oxides are reduced by self-reduction meth...

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  5. Which of the following is used as reducing agent in Goldschmidt method...

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  6. Which of the following is used to reduce TiCl4 to Ti?

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  7. In Ellingham diagrams plots of Delta(f)G (oxide formation) show positi...

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  8. Which of the following statement is correct w.r.t. the following graph...

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  9. In Elingham diagrams of DeltaG de formation Vs T, which of the followi...

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  10. The form of iron obtained from blast furnace is:

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  11. Which of the following has lowest percentage of carbon?

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  12. Why partial roasting of sulphide ore is done in the metallurgy of copp...

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  13. Zinc is extracted from zinc blende by

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

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  15. Hall-Heroult method is used during extraction of :-

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  16. Poling is used for the purification of:

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  17. Impure zinc, as collected from earthen clay retort, is called

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

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  19. Extraction of zinc from zinc blende

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  20. Which of the following metal is purified by distilation process?

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