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  • Question 1
    4 / -1

    One of the characteristic properties of non-metals is that they

  • Question 2
    4 / -1

    Which one of the following beneficiation processes is used for the mineral, AlO2O3.2H2O?

  • Question 3
    4 / -1

    In blast furnace, maximum temperature is in

  • Question 4
    4 / -1

    Calcination is used in metallergy for removal of ?

  • Question 5
    4 / -1

    Use of electrolysis is ?

  • Question 6
    4 / -1

    In electrorefining of copper some gold is deposited as

  • Question 7
    4 / -1

    Purification of silicon element used in semiconductors is done by

  • Question 8
    4 / -1

    Among the following statements the incorrect one is

  • Question 9
    4 / -1

    The luster of a metal is due to

  • Question 10
    4 / -1

    In the commercial electrochemical process for aluminium extraction the electrolyte used is

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