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Leaching is a process of concentration o...

Leaching is a process of concentration of ores. Explain the leaching of alumina from bauxite.

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A N EXCEL PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-QUESTION BANK
  1. Which of the following is the ore of zinc?

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  2. There are servral methods for refining metals. Explain a method for re...

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  3. Metals are extracted from their ores. Among the following which metal ...

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

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  5. Leaching is a process of concentration of ores. Explain the leaching o...

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  6. Which of the following is not an Ore of Iron? Haematite,Magnetite,Mala...

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  7. Explain froth floatation process for the concentration of Ore.

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  8. During metallurgy, the metal extracted may still contain impurities. D...

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  9. Name two metals that are refined by distillation.

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  10. How would you convert crude germanium into ultrapure germanium? Explai...

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

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  12. Alumina is mixed with cryolite and subjected to electrolysis to extrac...

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  13. What is pig iron?

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  14. What is hydrometallurgy?

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  15. Explain the method of preparation of copper by hydrometallurgy.

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  16. Explain the method of refining copper.

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  17. Copper is a useful metal and is generally extracted from copper pyrite...

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  18. How is blister copper obtained from copper matte?

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  19. Why is blister coper called so?

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  20. Give any two uses of copper.

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