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Sulphide ores are generally concentrated...

Sulphide ores are generally concentrated by the `:`

A

gravity separation process

B

calcination process

C

leaching process

D

None of these

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The correct Answer is:
4
Low grade sulphide ores are concentrated by froth floatation process and it is based on the fact that gangue and ore particles have different degree of wetability with water and pine oil.
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RESONANCE-METALLURGY-INORGANIC CHEMISTRY(Metallurgy)
  1. Which of the following statements is incorrect ?

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  2. Gravity separation methode is based upon :

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  3. Sulphide ores are generally concentrated by the :

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  4. Which one of the following sulphide ores is concentrated by chemical l...

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  5. NaCN is sometimes added in the froth flotation process as a depressant...

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  6. Which of the following process is related with the removal of sulphur ...

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  7. Consider the following statements . Roasting is carried out to : (i...

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  8. Main source of lead is galena (PbS). It is converted to Pb by : S...

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  9. The chemical composition of " slag " formed during the smelting proces...

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  10. Pb and Sn are extracted from their chief ore by :

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  11. Poling process :

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  12. In the process of extraction of gold. Roasted gold ore +CN^(-)+H(2)O...

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  13. In electrorefining, the impure metal is made .

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  14. which of the following electronts is present as the impurity to the m...

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

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  16. Which metal is extracted using a hyddrometallurgical process involving...

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  17. Bessemer converter is used for Atomic nos, Mn = 25, Fe = 26, Co = 27...

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  18. The process of zone refining is used for :

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  19. On the basis of ellingham diagram which of the following is not correc...

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  20. Which does not represent correct method ?

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