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12th Standard English Medium Chemistry Subject Metallurgy Book Back 3 Mark Questions with Solution Part - II

12th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 15

    Part I

    5 x 3 = 15
  1. Explain zone refining process with an example.

  2. Using the Ellingham diagram,
    (A) Predict the conditions under which
    (i) Aluminium might be expected to reduce magnesia.
    (ii) Magnesium could reduce alumina.
    (B) it is possible to reduce Fe2O3 by coke at a temperature around 1200K

  3. Give the uses of zinc.

  4. Explain the electrometallurgy of aluminium.

  5. Give the basic requirement for vapour phase refining.

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