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How can aluminium be used in the extract...

How can aluminium be used in the extraction processes of metals?

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PEARSON IIT JEE FOUNDATION-METALLURGY-VERY SHORT ANSWER TYPE QUESTIONS
  1. What is Pulverisation?

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  2. Which metal has its ore concentrated chemically?

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  3. Distinguish between calcination and roasting.

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  4. What type of ore is conecntrated using forth floatation process?

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  5. What is zinc spelter? How is it purified?

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  6. How is alumina melted in the electrolytic extraction process of molten...

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  7. What is the process called when ZnS is converted to ZnO during the ext...

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  8. How can aluminium be used in the extraction processes of metals?

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  9. How are slag and metal separaated from blast furnace?

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  10. The region in the blast furnace where the temperature range is 1500^(@...

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  11. Which is the purest form of iron? How is it useful?

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  12. What are the major products and by-products of blast furnace in the ex...

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  13. What type of changes take place in the property of steel if the carbon...

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  14. Zinc on reaction with steam liberates gas.

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  15. Polling method is generally employed to with as impurity.

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  16. Copper on reaction with moist air gives .

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  17. Alnico is an alloy of Al, Ni, Co and .

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  18. Which method is employed for the concentration of copper pyrites?

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  19. Magnalium is an alloy of and .

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  20. Refining of zinc and mercury is carried out by using procoess.

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