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Which of the following is not a crystal...

Which of the following is not a crystalline solid ?

A

Common salt

B

Sugar

C

Iron

D

Rubber

Text Solution

Verified by Experts

The correct Answer is:
D
Due to rapid or suddenly cooling of the liquid generate the amorphous solid.
Rubber, Glass, Plastic, starch etc are examples of amorphous solids.
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Knowledge Check

  • Crystalline solids

    A
    have irregular shape.
    B
    definite geometrical shape.
    C
    gradually soften on heating.
    D
    do not have definite enthalpy of fusion.

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    A
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    B
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    C
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    D
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  • Crystalline solid are

    A
    Sugar
    B
    Rubber
    C
    Plastic
    D
    Glass

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