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General Princip...

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  • Question 1
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    In the combined state, zinc is mainly found as :

  • Question 2
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    Matrix is defined as:

  • Question 3
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    In electrolytic refining of any metal impure metal is taken as ...............

  • Question 4
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    Concentration by froth floatation is applicable for which of the following ores?

  • Question 5
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    Alumina thermite process involves reduction of chromium(II) oxide with ..................... .

  • Question 6
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    In thermite process, the reducing agent is:

  • Question 7
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    Which of the method used for the concentration of sulfide ores?

  • Question 8
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    In thermite welding, to ignite the mixture we use :

  • Question 9
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    The process used in purifying metals by electrolysis is called:

  • Question 10
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    In the extraction of some metals from their ores, coke can be used as:

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