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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-21

  • question_answer
    Which of the following used in Lead pencil?

    A)  Charcoal                      

    B)  Graphite

    C)  Coke               

    D)  Carbon

    Correct Answer: B

    Solution :

     Graphite is used in lead pencils. This is due to the reason that carbon bonding in graphite is very weak so the different layers can slide across each other. So, we can write smoothly with the pencil.


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