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10th Class Science Metals and Non-metals / धातु और अधातु Question Bank Metals and Non-Metals

  • question_answer
    Phosphorus normally exhibits a covalency of

    A)  +3 and +5         

    B)         +2 and +3

    C)  +1 and +2       

    D)         +3 and +4

    Correct Answer: A

    Solution :

    Not Available


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