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Name two important ores or iron. Write t...

Name two important ores or iron. Write the method of extraction of iron and the chemical reactions involved in it.

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Knowledge Check

  • Important ore of iron is

    A
    Garnierite
    B
    Pentalandite
    C
    Haematite
    D
    Smaltite

  • An important ore for iron is

    A
    pitch blende
    B
    galena
    C
    malachite
    D
    haematite

  • An important ore of iron is

    A
    pyrites
    B
    malachite
    C
    haematite
    D
    sidenite
    • MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Revision Exercises(Short answer questions)
    1. Name two important ores or iron. Write the method of extraction of iro...

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    2. Write down the chemical reactions taking place in the extraction of zi...

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    3. Explain the basic principles of the following metallurgical operations...

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    4. Define the following terms : (a) Roasting (b) Electro metallurgy ...

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    5. Describe how the following changes are brought about: (i)Pig iron i...

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    6. What is the role of graphite rod in the electrometallurgy of aluminium...

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    7. Describe the principle involved in each of the following processes: ...

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    8. Explain the role of the following in the processes mentioned : (a) ...

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    9. Write the principle of the following (a) Zone refining (b) Froth f...

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    10. (a) Differentiate between roasting and calcination. (b)How is cast ...

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    11. (a) Which solution is used for the leaching of silver metal in the pr...

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    12. (a) Give an example of zone refining of metals. (b) What is the role ...

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    13. (a) How can copper be extracted from hydrometallurgical process ?

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    14. Give Mond process for refining of nickel.

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    15. (a) What are calcination and roasting ? In which type of ores are thes...

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    16. Define the following terms: (i) Ore benefaction (ii) Hydrometallur...

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    17. EXTRACTION OF ALUMINIUM

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    18. What type of ores can be concentrated by froth floatation process ? Ex...

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    19. (i) Indicate the principle behind the method used for the refining of ...

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    20. (a) Why is zinc blende roasted before carbon reduction? Answer with ba...

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