CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2002

  • question_answer
    High purity Si and Ge for semiconductor properties can be obtained by:

    A)  calcination     

    B)         roasting

    C)  zone refining   

    D)         thermic process

    E)  electrolytic reduction

    Correct Answer: C

    Solution :

    High purity Si and\[Ge\]for semiconductor properties can be obtained by zone-refining.


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