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Name the method used for removing gangue...

Name the method used for removing gangue from sulphide ores.

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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. Describe the role of the following : NaCN in the extraction of silver ...

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

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

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  4. How is wrought iron different from steel?

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

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

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  7. Name the method used for refining of Zirconium.

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

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

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  10. Hydrogen bomb is based on the principle of:

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

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

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  13. Write two uses of monel metal?

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  14. Describe the various methods employed for the refinining of crude meta...

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  15. An ore of aluminium is

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  16. Give important uses of aluminium.

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  17. What is that special property of monel metal because of which it is us...

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  18. Give examples of steel alloys

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  19. Copper is extracted from copper pyrites by roasting the ore partially ...

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  20. Write chemical reactions taking place in the extraction of zinc from z...

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