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CMC Medical CMC-Medical Ludhiana Solved Paper-2008

  • question_answer
    The ability of a given substance to assume two or more crystalline structure is called

    A)  amorphism      

    B)  isomorphism

    C)  polymorphism                 

    D)  isomerism

    Correct Answer: C

    Solution :

                    The phenomenon by which a certain crystalline compound exists in two or more different crystalline forms, is called polymorphism eg,\[CaC{{O}_{3}}\]occurs in two polymorphic forms, i.e., calcite   (rhombohedral) and aragonite(orthorhombic).


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