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Gravity separation process may be used f...

Gravity separation process may be used for the concentration of

A

Chalcopyrite

B

Bauxite

C

Haematite

D

Calamine

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-PRINCIPLES OF METALLURGY-OBJECTIVE EXERCISE-1
  1. In the froth flotation process for the purification of minerals the pa...

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  2. Froth floatation process for the concentration of ores is an illustrat...

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  3. Gravity separation process may be used for the concentration of

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  4. Wolframite (FeWo4) is separated from cassiterite by

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  5. In the extraction of gold ,alluival sand is conectrated by whic...

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  6. Which one of the following is used as conditioner in froth floa...

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  7. During extraction of a metal the ore is roasted if it is a

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  8. A common metal that is used for the extraction of some metals from the...

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  9. Extraction of metals from sulphide cres is done by

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  10. To remove basic impurities from the ore the substance generally used i...

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  11. During smelting an additional substance added to form a fusible pro...

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  12. Calcination is the process of heating the ore :

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  13. To which of the following ores, calcination process in not applicable

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  14. Roasting is carried out in case of

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  15. Smelting is usually carried out in

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  16. Slag is a product of

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  17. In oxidisin roasting of Zn, S porducts are

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  18. Ag(2)S or in mixed with NaCl and heated to 6000^(@) in the presence o...

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  19. For which one the following reaction Delta S is positive

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  20. For which one of the followinng reaction Delta G decreases with ...

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