chapter one creative five mark questions

12th Standard EM

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Chemistry

Do nt write anything on the question paper
Time : 00:25:00 Hrs
Total Marks : 25

    Part - A

    Answer each question

    5 x 5 = 25
  1. Explain froth flotation, with diagram.

  2. Explain concentration by magnetic separation with diagram.

  3. In the extraction of copper, explain the smelting process.

  4. Explain refining of nickel by mond's process

  5. Explain refming of titanium by Van-Arkel method.

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TN 12th Standard EM Chemistry free Online practice tests

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