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  • Question 1
    1 / -0

    In the extraction of nickel by Mond’s process, the metal is obtained by

  • Question 2
    1 / -0

    Blister copper is about

  • Question 3
    1 / -0

    Refining of silver is done by

  • Question 4
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    Which among the following is a method of concentration of ore?

  • Question 5
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    The slag obtained during the extraction of copper from copper pyrites is composed of

  • Question 6
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    Which of the following ore contains both Mg and Ca?

  • Question 7
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    Metal halides are found in lakes and seas because

  • Question 8
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    An ore has impurities which are lighter than the ore. The process used for the concentration of ore is

  • Question 9
    1 / -0

    Leaching of gold is done by

  • Question 10
    1 / -0

    The reducing agent used in the blast furnace to reduce haematite to iron is

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