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The most abundant metal in the earth cru...

The most abundant metal in the earth crust is:

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V PUBLICATION-PRODUCTION OF METALS-QUESTION BANK
  1. Explain the method of obtaining pure aluminium from alumina by electro...

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  2. You know that metals can be separated from molten compounds of metals ...

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  3. The most abundant metal in the earth crust is:

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  4. An alloy of iron, chromium and nickel.

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  5. Find the relation and fill up suitably. Aluminium : Bauxite Iron:....

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  6. From the following which chemical compound is contained in calamine . ...

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  7. Some metals exist in free state because of its..........

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  8. Write one example for an ore separated by leaching.

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  9. Non-removable impurities during ore concentration is called......... ...

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  10. Which reducing agent is used in Blast fumace?

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  11. Gangue + Flux gives .......

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  12. Aluminium is used for making utensils due to its.......

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  13. Write the difference between calcination and roasting .

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  14. Analyse the flow chart given below and answer the following questions....

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  15. Write down the anode, cathode, and electrolyte used in electrolytic ce...

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  16. Clay, cryolite and Bauxite are the minerals of Aluminium. a) Which ...

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  17. Find the relation and fill up suitably. a) Zinc sulphide Roasting: C...

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  18. Analyse the given table and answer the following questions. a) Write...

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  19. Bauxite (AL2 O3, 2H2 O) and clay (Al2 O3 2SiO2 2H2 O) are two natural...

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  20. Electricity and carbon monoxide (CO) and reducing agents used to extra...

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