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Name three metals which occur in the nat...

Name three metals which occur in the native state in nature.

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ASSAM ACADEMIC CENTRE-General Principles of Processes of Isolation of Elements-Example
  1. What is electrolytic refining of Aluminium. What is the electrolyte us...

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  2. What happens when argentite ore is treated with dilute solutions of so...

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  3. Name three metals which occur in the native state in nature.

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  4. Why is froth floatation process selected for the concentration of sulp...

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

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  6. Name one metal which is refined by Van Arkel method?

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  7. Name the method used for the refining of Nickel.

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  8. Name the method used for the refining of Zirconium.

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  9. Describe the role of the following in the processes mentioned: Iodine ...

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  10. The reaction, Cr2O3 + 2Al rarr Al2O3 + 2Cr (DeltaG^@ = -421KJ) is ther...

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  11. Explain the role of the following in the processes mentioned: Silica i...

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  12. How is 'cast iron' different from pig iron?

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  13. Why Copper matte is put in Silica lined converter?

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  14. Name the processes from which Chlorine is obtained as a by product.

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  15. Mention an important ore of aluminium.

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  16. Which metal foils are used for wrapping chocolates?

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  17. Why aluminium cannot be extracted by reducing alumina (Al2O3) with Car...

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  18. Name two ores which can be concentrated by froth floatation process.

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  19. Name two metals which occur in nature as oxides.

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  20. Name the common elements present in the anode mud in electrolyte refin...

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