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General Princip...

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  • Question 1
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    Three most occurring elements into the earth crust are :

  • Question 2
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    Which of thew following pair is correctly matched ?

  • Question 3
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    In which of the following metallurgy, no reduction agent is required from outside ?

  • Question 4
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    The method of zone refining of metals is based on the principle of :

  • Question 5
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    Froth floatation process is used to concentrate which type of ores?

  • Question 6
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    Those natural occurring components from which element can be extracted profitably and conveniently known as

  • Question 7
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    Gravity separation method is used to concentrate which type of ores?

  • Question 8
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    The metal which always exists in free or native state is

  • Question 9
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    The impurities present with minerals are collectively known as

  • Question 10
    1 / -0

    Which of the following is used in froth floatation process for the benefication of ore?

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