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Wolframite (FeWO(4)) is separated from c...

Wolframite `(FeWO_(4))` is separated from cassiterite by

A

Froth flotation method

B

levigation

C

electromagnetic method

D

electrostatic separation method

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Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-PRINCIPLES OF METALLURGY-OBJECTIVE EXERCISE-1
  1. Froth floatation process for the concentration of ores is an illustrat...

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

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  3. Wolframite (FeWO(4)) is separated from cassiterite by

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

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  5. Which one of the following is used as conditioner in froth flotation p...

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

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

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  8. Extraction of metals from sulphide cres is done by

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

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

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  11. Calcination is the process of heating the ore :

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

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  13. Roasting is carried out in case of

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  14. Smelting is usually carried out in

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  15. Slag is a product of

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  16. In oxidisin roasting of Zn, S porducts are

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

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

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

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  20. For which one of the following reaction , the graph of Delta ...

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