2. Solved Papers
  3. BHU PMT

BHU PMT BHU PMT Solved Paper-2003

  • question_answer
    The hardest substance is:

    A)  iron                                      

    B)  steel

    C)  diamond            

    D)  graphite

    Correct Answer: C

    Solution :

                     The hardest substance in nature is diamond due to its complex tetrahedral structure.


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