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P - Block Eleme...

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  • Question 1
    4 / -1

    Boron shows single oxidation state due to absence of

  • Question 2
    4 / -1

    Which of the following is non – existent

  • Question 3
    4 / -1

    Which of the processes is used in thermite welding

  • Question 4
    4 / -1

    In which of the following molecules is hydrogen bond absent

  • Question 5
    4 / -1

    The tendency of BF3, BCl3 and BBr3 to behave as lewis acid decreases in the sequence

  • Question 6
    4 / -1

    Which one of the following molecular hydrides acts a a lewis acid

  • Question 7
    4 / -1

    The compound which does not possess a peroxide linkage is

  • Question 8
    4 / -1

    Soldiers of Napolean army while at Alps during freezing winter suffered a serious problem as regards To the tin buttons of their uniforms. white metallic tin buttons got converted to grey powder. This Transformation is related to

  • Question 9
    4 / -1

    Which one of the following statements about the zeolites is false

  • Question 10
    4 / -1

    Which of the following acts UV rays

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