WB JEE Medical WB JEE Medical Solved Paper-2009

  • question_answer
    Which of the following statements is not correct?

    A)  Silicon is extensively used as a semiconductor

    B)  Carborundum is SiC

    C)  Silicon occurs in free state in nature

    D)  Mica contains the element silicon

    Correct Answer: C

    Solution :

                     Silicon does not exist in free state. It exists, in nature, as silica or in the form of silicates.


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