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Copper pyrites ore is concentrated by...

Copper pyrites ore is concentrated by

A

Electromagnetic method

B

Gravity separation method

C

Froth floatation method

D

All the above methods

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The correct Answer is:
C
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Name the ores which are concentrated by froth floatation process.

Observe the table and answer the following question: Which of the above metal's ore are concentrated by using magnetic separation ?

(A) : Sulphide ores are concentrated by froth floatation process. (R) : Pine oil acts as a frothing agent in froth floatation process.

The ore which is concentrated by leaching

Which of the ores mentioned in Table can be concentrated by magnetic separation method ?

AAKASH SERIES-PRINCIPLES OF METALLURGY-OBJECTIVE EXERCISE-1
  1. The metal never found in free state is

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  2. Both calcination and roasting can be performed in

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  3. Copper pyrites ore is concentrated by

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  4. Which one of the following is not a method of concentration of ore

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  5. Most abundant element in the earth's crust by weight is

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  6. The rocky and silicious matter associated with an ore is called

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  7. The process of removing of lighter ganse particles by washing in a cur...

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  8. In the froth flotation process for the purification of minerals the pa...

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

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

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

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

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

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

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

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  16. Extraction of metals from sulphide cres is done by

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

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

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  19. Calcination is the process of heating the ore :

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

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