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General Princip...

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  • Question 1
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    Which metal is generally found in native state?

  • Question 2
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    The impurities present in the mineral are called : 

  • Question 3
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    In a mixture of $$PbS, ZnS, $$ and $$FeS$$, each component is separated from the other by using the reagents in which of the following sequence in the froth floatation process?

  • Question 4
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    Select the correct statement:

  • Question 5
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    A mineral is called ore if:

  • Question 6
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    During the process of electrolytic refining of copper, some metals present as impurity settle as 'anode mud'. These are:

  • Question 7
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    Froth floatation process is used for the :

  • Question 8
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    The ore that is concentrated by forth floatation process is:

  • Question 9
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    Which of the following ores is not concentrated by froth floatation process?

  • Question 10
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    Zone refining is based on the principle of:

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