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Give examples differentiate between Roas...

Give examples differentiate between Roasting and Calcination.

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ASSAM ACADEMIC CENTRE-General Principles of Processes of Isolation of Elements-Example
  1. Explain the role of Carbon monoxide in the purification of nickel.

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  2. Name the method used for the refining of Nickel.

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  3. Give examples differentiate between Roasting and Calcination.

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  4. Explain the role of the following in the processes mentioned: Cryolite...

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  5. Why Zinc not extracted from Zinc oxide through reduction using CO?

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  6. What is flux? What is the role of flux in the metallurgy of iron and c...

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  7. Explain the role of Carbon monoxide in the purification of nickel.

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

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  9. Write the chemical equation for Mond process.

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  10. Write the chemical equation for Van Arkel method.

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  11. Explain the role of the following in the processes mentioned: Silica i...

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  12. Explain the role of the following in the processes mentioned: Cryolite...

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

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

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  15. Name the method used for the refining of Nickel.

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

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

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  18. Explain briefly the leaching of aluminium ore.

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  19. What is the chief ore of iron? Write chemical reactions taking place i...

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

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