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Describe the role of the following in th...

Describe the role of the following in the processes mentioned: NaCN in the extraction of silver forms silver ore.

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ASSAM ACADEMIC CENTRE-General Principles of Processes of Isolation of Elements-Example
  1. Write the chemical reactions which take place in the following operati...

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  2. Write the chemical equation for Mond process.

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  3. Describe the role of the following in the processes mentioned: NaCN in...

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

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

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

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  7. Describe how the following changes are brought about Impure copper int...

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  8. The reaction, Cr2O3 + 2Al rarr Al2O3 + 2Cr (DeltaG^@ = -421KJ) is ther...

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  9. Is it true that under certain conditions, Mg can reduce SiO2 and Si ca...

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  10. Copper can be extracted by hydrometallurgy but not zinc. Explain.

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

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  12. Why is the extraction of copper from pyrites more difficult than that ...

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

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  14. Explain Column chromatography.

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  15. Out of C and CO, which is a better reducing agent at 673 K?

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  16. Name the common elements present in the anode mud in electrolyte refin...

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  17. Write down the reaction taking place in different zones in the blast f...

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  18. Write the chemical reactions which take place in the following operati...

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

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  20. What is meant by the term 'chromatography'?

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