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General Princip...

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  • Question 1
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    Which of the following method used for the concentration of copper pyrites?

  • Question 2
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    Electrolytic reduction of alumina to aluminium by Hall-Heroult's process is carried out _____________.

  • Question 3
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    Froth floatation process for the concentration of ores is an illustration of physical phenomenon of:

  • Question 4
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    Collectors are the substances which combine with sulphide ore and make them water repellant. Which of the following substance can act as collector?

  • Question 5
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    In froth-flotation process, pine oil functions as a(an):

  • Question 6
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    What is the principle of zone refining of metals?

  • Question 7
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    Which one of the following ores is best concentrated by froth flotation method?

  • Question 8
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    Which of the following process is used for concentration of ore?

  • Question 9
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    An ore of tin containing $$FeCrO_4$$ is concentrated by:

  • Question 10
    1 / -0

    Ellingham diagram represents:

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