J & K CET Engineering J and K - CET Engineering Solved Paper-2004

  • question_answer
    Which of the following is an amorphous substance?

    A)  Gold         

    B)  Silver

    C)  Copper       

    D)  Glass

    Correct Answer: D

    Solution :

    Amorphous solid is a solid in which there is no long range order of the positions of the atoms. Glass is a uniform amorphous solid material,  usually produced when the viscous molten material cools very rapidly to below its glass Transition D. temperature, without sufficient time for a regular crystal lattice to form.


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