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Updated 12th Standard Chemistry Study Materials 2022-2023 Exams

12th Standard Chemistry English Medium - Metallurgy 5 Mark Book Back Question Paper and Answer Key 2022 - 2023 Study Materials Sep-01 , 2022

QB365 provides a detailed and simple solution for every Possible Book Back Questions in Class 12 Chemistry Subject - Metallurgy, English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.

12th Standard Chemistry English Medium - Metallurgy 5 Mark Book Back Question Paper and Answer Key 2022 - 2023

Metallurgy 5 Mark Book Back Question Paper With Answer Key

12th Standard

    Reg.No. :
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Chemistry

Time : 00:45:00 Hrs
Total Marks : 20

     5 Marks 

    4 x 5 = 20

  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. Explain the principle of electrolytic refining with an example.

  4. Give the limitations of Ellingham diagram.

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