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What will be the sign of DeltaG for a sp...

What will be the sign of `DeltaG` for a spontaneous reaction?

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ASSAM ACADEMIC CENTRE-General Principles of Processes of Isolation of Elements-Example
  1. Which is the most impure form of commercial iron?

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  2. Which ore is employed for the extraction of cast iron?

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  3. What will be the sign of DeltaG for a spontaneous reaction?

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  4. What is an Ellingham diagram?

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

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  6. Mention two neutral refractory materials.

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

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

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  9. Name the three commercial varieties of iron.

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  10. Distinguish between flux and slag.

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

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  12. When is electrolytic reduction applied for getting metal?

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  13. Which metals are generally extracted by electrolytic process?

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

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

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

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

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

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

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

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