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Chemistry Test ...

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  • Question 1
    4 / -1

    For following elements IE1 drops abruptly (Ga, In and Tl). This is due to

  • Question 2
    4 / -1

    The elements that can form interstitial hydrides are

  • Question 3
    4 / -1

    Considering the elements, B, C, N, F and Si, the correct order of their non-metallic character is

  • Question 4
    4 / -1

    The solubility product of CuS, CdS and HgS are  respectively. The solubility of these sulphides are in the order

  • Question 5
    4 / -1

    During the process of electrolytic refining of copper, some metals present as impurity settle as “anode mud”. These are

  • Question 6
    4 / -1

    The process which is related with the removal of sulphur present in the ore by heating it in the air is

  • Question 7
    4 / -1

    Temperature at which the equilibrium water vapour pressure is 1.00 bar, is

  • Question 8
    4 / -1

    The element which forms oxide in all the oxidation states from +1 to +5 is

  • Question 9
    4 / -1

    Which of the following does not give oxygen on heating?

  • Question 10
    4 / -1

    A colourless salt gives violet colour to bunsen flame and also turns moistured litmus paper blue. It is

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