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P - Block Eleme...

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  • Question 1
    4 / -1

    When lighting flash is produced, which gas may form

  • Question 2
    4 / -1

    A mixture of ammonia and air at about 800oC in the presence of Pt gauze forms

  • Question 3
    4 / -1

    Which of the following is the most basic oxide

  • Question 4
    4 / -1

    Ammonia gas can be collected by the displacemet of

  • Question 5
    4 / -1

    The chemical used for cooling in refrigeration is

  • Question 6
    4 / -1

    Reaction of PCl3 and PhMgBr. Would give

  • Question 7
    4 / -1

    Which of the following P is most stable

  • Question 8
    4 / -1

    The least stable hydride of 75th group elements in

  • Question 9
    4 / -1

    The chemical formula of Tear gas is

  • Question 10
    4 / -1

    PH4I + NaOH forms

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