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Outline the prinicples of refining of me...

Outline the prinicples of refining of metals by the following methods. Zone refining.

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R G PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. What is hydro metallurgy? How Cu is extracted by this method.

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  2. Name the processes from which Chlorine is obtained as a by product.

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  3. Outline the prinicples of refining of metals by the following methods....

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  4. Describe the underlying principle of each of the following metal refin...

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  5. Outline of refining of metals by the following methods. Vapour phase ...

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  6. Outline of refining of metals by the following methods. Van Arkel met...

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  7. What is Hall-Heroult process? How many Al can be obtained by burning a...

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  8. What criterion is followed for the selection of the stationary phase i...

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  9. Zinc and not Copper is used for the recovery of silver from the comple...

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  10. The extraction of Au by leaching with NaCN involves both oxidation and...

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  11. What is the role of iodine in the refining of titanium?

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  12. Describe how the following change are brought about pig iron into stee...

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  13. Whose metal dust is used as a reducing agent in dye industry?

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  14. Describe the role of the following in the processes mentioned: Limesto...

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  15. Explain the role of the following in the processes mentioned: Depressa...

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  16. Why is the reduction of a metal oxide easier if the metal formed is in...

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  17. Which solution is used for the leaching of silver metal in the presenc...

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  18. Out of C and CO, which is better reducing agent at the lower temperatu...

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  19. Describe the role of SiO2 in the extraction of Copper from Copper matt...

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  20. Which method is used for obtaining high purity metals for semi conduct...

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