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Chemistry Test 64

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Chemistry Test 64
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Weekly Quiz Competition
  • Question 1
    4 / -1

    The shape of MnO4– ion and the hybridisation of Mn in MnO4– is :

  • Question 2
    4 / -1

    Sulphide ores are common for the metals :-

  • Question 3
    4 / -1

    Which is incorrectly matched :-

      Metals Refining method
    (1)  Ge  Liquation
    (2)  Sn  Polling
    (3)  Zn  Distillation
    (4)  Al  Electro-refining
    Solution

    Ge is refined by zone refining. 

  • Question 4
    4 / -1

    Which of the following statements is incorrect in relation to the structure of diborane

    Solution

    Terminal B-H bond is a 2- centre - 2 electron bond.

     

  • Question 5
    4 / -1

    Silicate having one monovalent corner oxygen atom in each tetrahedron unit is

  • Question 6
    4 / -1

    On heating, ammonium dichromate and barium azide separately, we get :-

  • Question 7
    4 / -1

    Which of following does not give oxide on heating :-

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