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P - Block Eleme...

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  • Question 1
    4 / -1

    Boron compounds behave as Lewis acids because of their

  • Question 2
    4 / -1

    Water gas is an important fuel. It is a mixture of :

  • Question 3
    4 / -1

    Oxygen will directly react with each of the following elements except

  • Question 4
    4 / -1

    Nitrogen (I) oxide is produced by

  • Question 5
    4 / -1

    Ammonia gas can be collected by the downward displacement of

  • Question 6
    4 / -1

    The gases respectively absorbed by alkaline pyrogallol and oil of cinnamon are

  • Question 7
    4 / -1

    Oxygen does not react with

  • Question 8
    4 / -1

    Boric acid is polymeric due to

  • Question 9
    4 / -1

    Amongst the compounds Mg3N2, NH3 and N2O3 nitrogen shown an oxidation state of + 3 in

  • Question 10
    4 / -1

    Nitrogen is essential constituent of all

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