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The method of concentrating the ore whi...

The method of concentrating the ore which makes use of the difference in density between ore and impurities is called

A

Levigation

B

Leaching

C

Magentic separation

D

Liquifaction

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The correct Answer is:
A
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ERRORLESS -ORES, MINERALS AND METALLURGICAL EXTRACTION-ORDINARY THINKING (Objective Questions) CONCENTRATION
  1. An ore like zinc blends is concentrated by

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  2. Magnetic separation is used for increasing concentration of the follow...

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  3. Bauxite ore is concentrated by

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  4. Leaching is a process of

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  5. Gravity seperation process may be used for the concentration of

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  6. Which one of the following ores is best concentrated by froth floatati...

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  7. Cyanide proces is used for the extraction of

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  8. The function of potassium ethyl xanthate in froth floatation process i...

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  9. The method of concentrating the ore which makes use of the differenc...

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  10. An ore of tin containing FeCrO(4) is concentrated by .

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  11. Froth floatation process for the concentration of Cu illustrates the p...

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  12. One of the following metals froms a volatile corbony1 compound and thi...

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  13. Which of the following metal is the most difficult to extract from its...

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  14. In the metallurgy of zinc, flux is not used because

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  15. Ore like magnetite or tungstates in tin ores are concentrated by

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  16. Assertion : Gold is recoverd from its solution containing aurocyanide...

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  17. Assertion : Zinc is used for the recovery of silver from the complex [...

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  18. Asserton : Ethyl xantyhate is used as a collector in froth floatation ...

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  19. Assertion : Levigation is used for the separation of oxide ores from i...

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  20. Statement-I : Wolframite impurities are separated from cassiterite by ...

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