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Haryana PMT Haryana PMT Solved Paper-2006

  • 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 e. g., \[CaC{{O}_{3}}\] occurs in two polymorphic forms i.e., calcite   (rhombohedral)   and   aragonite (orthorhombic).


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