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P - Block Eleme...

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  • Question 1
    4 / -1

    [SnCl6]2- ion is a

  • Question 2
    4 / -1

  • Question 3
    4 / -1

  • Question 4
    4 / -1

    An alum is represented by

  • Question 5
    4 / -1

    In the purificaction of alumininum by Hope’s process, impurities of silicon and copper are added to molten alumina in order to

  • Question 6
    4 / -1

    Lead is not affected by dil.HCl in the cold because

  • Question 7
    4 / -1

    Cryolite is used in the electrolytic extraction of alumininum

  • Question 8
    4 / -1

    Which one of the following species does not exist ?

  • Question 9
    4 / -1

    The raw materials for the manufacture of Filnt glass are :

  • Question 10
    4 / -1

    The metal which finds exclusive application a semiconductor is

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