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12th Standard English Medium Chemistry Subject Metallurgy Creative 2 Mark Questions with Solution Part - II

12th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 10
    5 x 2 = 10
  1. What is the role of graphite rods in the electro metallurgy of aluminium?

  2. Name and discuss the principle involved in obtaining silicon of high purity.

  3. Give reason : Extraction of copper directly from sulphide ores is less favourable than from its oxide ores through reduction.

  4. Define metallurgy.

  5. Define roasting.

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