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What is the role of cryolite in the metallurgy of aluminium ?

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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. Explain the role of the following : SiO2 in the extraction of copper.

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  2. Describe the role of the following: Iodine in the refining of titanium...

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  3. What is the role of cryolite in the metallurgy of aluminium ?

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  4. Describe the principle involved in the following process of metallurgy...

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  5. Outline the principle of refining of metals by electrolytic refining.

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  6. Outline the principles involved in the following methods of refining o...

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  7. Outline the principles involved in the following methods of refining o...

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  8. Explain the method of froth floatation process of concentrating sulphi...

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  9. Which methods are usually employed for purifying Nickel.

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  10. Describe the role of the following : NaCN in the extraction of silver ...

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  11. Explain the role of the following : SiO2 in the extraction of copper.

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  12. Name the method used for removing gangue from sulphide ores.

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  13. How is wrought iron different from steel?

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  14. Name the principal of the method of electrolytic refining of metals. ...

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  15. What is the role of depressant in froth flotation process ?

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  16. Name the method used for refining of Zirconium.

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  17. What is the role of coke in the extraction of iron from its oxides?

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

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  19. Hydrogen bomb is based on the principle of:

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  20. What is the role of depressant in froth flotation process ?

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