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P - Block Eleme...

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  • Question 1
    4 / -1

    Mixture used for the tips of match stick is

  • Question 2
    4 / -1

    The most stable hydride is

  • Question 3
    4 / -1

    Which of the following substance is used as fertilizer ?

  • Question 4
    4 / -1

    Which one of the following is the strongest base?

  • Question 5
    4 / -1

    Phosphine is not obtained by the reaction when

  • Question 6
    4 / -1

    Which of the following oxides will be least acidic ?

  • Question 7
    4 / -1

    The oxidation state of phosphorus in Ba (H2PO3)2 is

  • Question 8
    4 / -1

    PCl3 reacts with water to form

  • Question 9
    4 / -1

    H3PO2 is the molecular formula of an acid of phosphorus. Its name and basicity respectively are

  • Question 10
    4 / -1

    The oxide which is the anhydride of orthophosphoric acid is

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