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Liquation process for refining of crude ...

Liquation process for refining of crude metal is used when _________.

A

impurity has higher melting point than metal

B

impurity forms volatile compound with the reagent

C

impurity has lower melting point than metal

D

impurities are more soluble in molten liquid than in the solid

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The correct Answer is:
A
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TARGET PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Critical Thinking
  1. A newly discovered metal 'M' was found to have it graph of formation o...

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  2. Which of the following statements is INCORRECT on the basis of Ellingh...

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  3. Liquation process for refining of crude metal is used when .

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  4. During the process of polling , .

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  5. The fact that impurities are more soluble in the molten state than in ...

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  6. Inert atmosphere of argon is used during ozone refining to prevent.

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  7. Gallium arsenide is purified by .

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  8. Which of the following impurities are removed in van Arkel method ?

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  9. Which method of purification is represented by following equations ? ...

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  10. During roasting of concentrated zinc sulphide ore, which of the follow...

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  11. Roasting of concentrated zinc sulphide ore is completed at the tempera...

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  12. Which of the following is INCORRECT regarding modern vertical retort p...

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  13. Iron exhibits property of ferromagnetism.

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  14. In metallurgy if iron, charge introduced in the blast furnace consists...

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  15. In the cup and cone arrangement of blast furnace, the cone enables .

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  16. In the metallurgy of iron, when limestone is added to the blast furnac...

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  17. The smelting of iron in the blast furnace involves all the following p...

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  18. Which of the following reactions does NOT occur in blast furnace ?

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  19. Which of the following is NOT a mineral of aluminium ?

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  20. Baeyer's process is used for the purification of bauxite containing as...

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