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Explain the role of the following in the...

Explain the role of the following in the processes mentioned: Silica in the extraction of copper.

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ASSAM ACADEMIC CENTRE-General Principles of Processes of Isolation of Elements-Example
  1. Describe the role of the following in the processes mentioned: Iodine ...

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

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

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

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

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

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  7. Mention an important ore of aluminium.

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  8. Which metal foils are used for wrapping chocolates?

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

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

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

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

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  13. Which is the most abundant element in the earth's crust?

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  14. Which is the second most abundant element in the earth crust?

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  15. Name any two acidic fluxes.

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  16. What is leaching?

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  17. What is benefaction process?

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  18. Name the process by which an ore of tin containing FeCrO4 in concentra...

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  19. Give one example where hydrometallurgy is used for metal extraction?

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  20. When is electrolytic reduction applied for getting metal?

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