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Describe the underlying principle of eac...

Describe the underlying principle of each of the following metal refining methods. Electrolytic refining of metals.

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ASSAM ACADEMIC CENTRE-General Principles of Processes of Isolation of Elements-Example
  1. What will be the sign of DeltaG for a spontaneous reaction?

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  2. What is an Ellingham diagram?

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  3. Name the method used for the refining of Nikel and Zirconium.

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  4. Mention two neutral refractory materials.

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  5. Name two metals which are used for reduction in metallurgical process....

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

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  7. Name the three commercial varieties of iron.

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  8. Distinguish between flux and slag.

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  9. Name the process by which an ore of tin containing FeCrO4 in concentra...

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  10. When is electrolytic reduction applied for getting metal?

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  11. Which metals are generally extracted by electrolytic process?

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  12. Name the metals which are associated with the following terms in their...

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  13. Name the metals which are associated with the following terms in their...

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  14. What is meant by the term 'pyrometallurgy'?

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  15. State briefly the principles which serve as basis for the following op...

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  16. Explain the role of Cryolite in the electrolytic reducion of alumina.

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

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

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  19. Give one example where hydrometallurgy is used for metal extraction?

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  20. Which is the cheapest and most abundant reducing agent employed in the...

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