BCECE Engineering BCECE Engineering Solved Paper-2005

  • question_answer
    Which of the following is kept in water?

    A) White phosphorus         

    B) Sodium

    C) Potassium          

    D)        Calcium

    Correct Answer: A

    Solution :

    \[\because \] White phosphorus is most reactive and most important allotrop of phosphorus. It is insoluble in water. \[\therefore \]It is kept in water to prevent it from catching fire.


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