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Outline the principles of refining of me...

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

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VGS PUBLICATION-BRILLIANT-MOST IMPORTANT QUESTIONS-SURFACE CHEMISTRY (SHORT ANSWER TYPE QUESTIONS)
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  9. Give examples to differentiate roasting and calcination.

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  10. Explain the purification of sulphide ore by Froth Floatation Method.

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

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

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

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

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  15. Which of the following reagent is used in the extraction of Aluminium ...

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  16. Explain the extraction of Zinc form Zinc blende.

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  17. Write any two ores with formulae of the following metal : Aluminium

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  18. Write any two ores with formulae of the following metal : Zinc

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  19. Write the names and formulae of any two ores of iron

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  20. Write any two ores with formulae of the following metal : Copper

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