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Electromagnetic seperation is used in th...

Electromagnetic seperation is used in the concentration of

A

Copper pyrites

B

Bauxite

C

Cassiterite

D

Cinnabar

Text Solution

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The correct Answer is:
C
Electromagnetic seperation is used in the concentration of cassiterite
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DINESH PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-REVISION QUESTIONS FROM COMPETITIVE EXAMS.
  1. Match List I with List II and select the correct answer using the cod...

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  2. The metal always found in the free state is

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  3. Electromagnetic seperation is used in the concentration of

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  4. Which of the flowing metal is extracted by the electrometallurigical m...

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  5. For which ore of the metal, froth floatation method is used for concen...

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  6. Which of the following metal is leached by cyanide process ?

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  7. Pyrolusite is a/an

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  8. The common method of extraction of metals from oxide ores is

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  9. Which one of the following ores is not concentrated by froth floatatio...

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  10. Sulphide ores are generally concentrated by

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  11. The metal which cannot be obtained by electrolysis of aqueous solution...

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  12. The least stable oxide at room temperature is

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  13. What is insoluble in water ?

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  14. Which of the following is magnetite ?

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  15. Refractory materials are generally used in furnaces because

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  16. Which of the following is an ore of aluminium ?

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  17. The method of zone relining of metal is based on the principle of AIFM...

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  18. Process of heating ore is air to remove sulphur is:

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  19. The formula of azurite is :

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  20. Heating of ore in presence of air to remove sulphure impurities is cal...

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