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Define the following terms: (i) Ore be...

Define the following terms:
(i) Ore benefaction
(ii) Hydrometallurgy
(iii) Pyrometallurgy

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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Revision Exercises(Short answer questions)
  1. Give Mond process for refining of nickel.

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  2. (a) What are calcination and roasting ? In which type of ores are thes...

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  3. Define the following terms: (i) Ore benefaction (ii) Hydrometallur...

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  4. EXTRACTION OF ALUMINIUM

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  5. What type of ores can be concentrated by froth floatation process ? Ex...

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  6. (i) Indicate the principle behind the method used for the refining of ...

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  7. (a) Why is zinc blende roasted before carbon reduction? Answer with ba...

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  8. How is zinc obtained from zinc blende ? Give chemical reactions.

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  9. Explain the steps involved in the vapour phase refining of Ni and Zr.

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  10. (a) Name the role of Na(3)AlF(6) in the electrolytic reduction of alum...

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  11. (i) Name the method of refining of metals such as Germanium. (ii) In...

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  12. All ores are minerals while all minerals are not ores because :

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  13. (a) What are the two requirements for vapour phase refining? Write the...

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  14. Name the principal ore of aluminium. Explain the significance of leach...

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  15. (a) Write the principle of method used for the refining of germanium ...

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  16. Describe the role of (i) NaCN in the extraction of gold from its ore...

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  17. Outline the principles of refining of metals by the following methods....

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  18. (i) Name a metal refined by Van Arkel method. (ii) Explain the proce...

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  19. (i) Explain zone refining method for refining of metals. (ii) Explai...

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  20. (i) Write composition of copper matte. (ii) Write balanced equations...

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