CMC Medical CMC-Medical Ludhiana Solved Paper-2009

  • question_answer
    Which of the following is used for making optical instruments?

    A)  \[Si{{O}_{2}}\]                 

    B)  \[Si\]

    C)  \[Si{{H}_{4}}\]                 

    D)  \[SiC\]

    Correct Answer: A

    Solution :

                    Silica \[(Si{{O}_{2}})\]is used for making optical instruments.


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