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An alloy of iron, chromium and nickel....

An alloy of iron, chromium and nickel.

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Nichrome: For making heating coils
Stainless steel: For the manufacture of utensils, part of vehicles.
Alnico: For the manufacture of permanent magnets.
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V PUBLICATION-PRODUCTION OF METALS-QUESTION BANK
  1. You know that metals can be separated from molten compounds of metals ...

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

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  3. An alloy of iron, chromium and nickel.

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

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

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

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

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

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  9. Which reducing agent is used in Blast fumace?

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  10. Gangue + Flux gives .......

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

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  12. Write the difference between calcination and roasting .

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

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

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

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

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

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

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

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  20. Froth flotation process, hydraulic washing, magnetic separation, leach...

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