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Bauxite, Al2O3.xH2O is an important ore ...

Bauxite, `Al_2O_3.xH_2O` is an important ore of aluminium. It is concentrated by leaching. Explain the method.

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Refer to theory section 6.2.4
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A N EXCEL PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-QUESTION BANK
  1. The concept of DeltaG^@ of coupled reaction are used explain reduction...

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  2. In the blast furnace for manufacturing iron, most of the reduction is ...

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  3. Bauxite, Al2O3.xH2O is an important ore of aluminium. It is concentrat...

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  4. All ores are minerals, but all minerals are not ores. Why?

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  5. Carbonate ores are usually subjected to calcination, while sulphide or...

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  6. Match the items of Column I with items of Column II

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

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  8. The scientific and technological process used for isolation of the met...

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  9. The concept of DeltaG^@ of coupled reaction are used explain reduction...

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  10. Give two examples for alloy

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  11. Calcination and raosting are treatments in metallurgy before metal ext...

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  12. Match the items of Column I with items of Column II

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  13. Sulphide ores are concentrated by froth floatation process. Write the ...

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  14. Explain the 'froth' floatation process'

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  15. Name two metals which can be refined by van-Arkel Method.

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  16. Match the items of Column I with items of Column II

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  17. Explain the 'froth' floatation process'

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  18. What is the role of limestone (CaCo3) in the extraction of iron?

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  19. Monds process is used for refining of Ni and Van Arkel method is used ...

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  20. Which of the following is the ore of zinc?

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