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Write the reactions involved in leaching...

Write the reactions involved in leaching process of alumina from bauxite.

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R G PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. Write two important ores each from iron & copper.

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  2. Describe the principle of froth flotation process.

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  3. Write the reactions involved in leaching process of alumina from bauxi...

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  4. Giving example differentiate between "roasting"& calcination.

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  5. What is pyro metallurgy? Describe the conditions of the equation used ...

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  6. From the following diagram suggest a condition under which magnesium c...

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  7. Write down the reaction taking place in different zones in the blast f...

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  8. How wrough iron is prepared from cast iron?

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  9. In reverberatory furnace how Cu is extracted from copper matte? Write ...

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

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  11. Why Zinc not extracted from Zinc oxide through reduction using CO?

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  12. What is the role of graphite rod in the electrometallurgy of aluminium...

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  13. What is hydro metallurgy? How Cu is extracted by this method.

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

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  15. Outline the prinicples of refining of metals by the following methods....

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  16. Describe the underlying principle of each of the following metal refin...

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  17. Outline of refining of metals by the following methods. Vapour phase ...

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  18. Outline of refining of metals by the following methods. Van Arkel met...

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  19. What is Hall-Heroult process? How many Al can be obtained by burning a...

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  20. What criterion is followed for the selection of the stationary phase i...

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