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General Princip...

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  • Question 1
    1 / -0

    Match the column I with column II and mark the appropriate choice.

    Column IColumn II
    (A) Van Arkel(i)$$Ni$$
    (B) Zone refining(ii)$$Ti$$
    (C) Mond process(iii) $$Ag$$
    (D) Cupellation(iv) $$Ge$$

  • Question 2
    1 / -0

    Zone refining is based on the principle that________.

  • Question 3
    1 / -0

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

  • Question 4
    1 / -0

    What is the main composition of matte?

  • Question 5
    1 / -0

    The method of zone refining of metals is based on the principal of:

  • Question 6
    1 / -0

    In case of Hall's process applied on reduction of $$Al_2O_3$$ to Al can be done by using:

  • Question 7
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    Which of the following compound is used as froth stabliser?

  • Question 8
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    The mass of carbon anode consumed (giving of carbon dioxide) in the production of $$270 \ kg$$ aluminium metal bum bauxite by Hall process is: (Atomic mass $$Al = 27$$)

  • Question 9
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    Identify the oxide ore among the following :

  • Question 10
    1 / -0

    Aluminothermy used for the spot welding of large iron structure is based on the fact that-

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