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P - Block Eleme...

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  • Question 1
    4 / -1

    The Stability of dihalides of Si, Ge, Sn and Pb increases steadily in the sequence

  • Question 2
    4 / -1

    Sodium oxalate on heating with cone H2SO4 gives

  • Question 3
    4 / -1

    Glass reacts with HF to produce

  • Question 4
    4 / -1

    Extraction of lead by reduction methods done by

  • Question 5
    4 / -1

    Which is used to produce smoke screen

  • Question 6
    4 / -1

    When tin is treated with concentrated nitric acid

  • Question 7
    4 / -1

    In lll A group Tl (thallium) shows +1 Oxidation state while other members show +3 oxidation state. Why?

  • Question 8
    4 / -1

    Carbon suboxide C3O2 has

  • Question 9
    4 / -1

    Which of the following is a mixed oxide

  • Question 10
    4 / -1

    Noble gases are absorbed in

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