Which of the following are the characteristics of an amorphous solid?
A. Short range order
B. Sharp melting point
C. Isotropic in nature
D. Definite heat of fusion

A,D

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A,C

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A,C,D

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B,D

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Solution

The correct option is B A,C
Amorphous solids consist of particles of irregular shape, so it displays short range order.
Amorphous solids soften over a range of temperature, and hence doesn’t show sharp melting point.
The value of a physical property will be same from any directions in case of amorphous solids. So, they are said to be isotropic in nature.
Amorphous solids do not have a definite heat of fusion.

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Similar questions

Which of the following is not a characteristic of a crystalline solid ?

(a) Definite and characteristic heat of fusion

(b) lsotropic nature

(d) A true solid

which of the following statement is not true about amorphous solids ?

(a) On heating they may become crystalline at certain temperature

(b) They may become crystalline on keeping for long time

(d) They are anisotropic in nature

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