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Crystalline solids have...

Crystalline solids have

A

short range order

B

long range order

C

anisotropic distribution

D

no order

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The correct Answer is:
C
Crystalline solids are anisotropic therefore their physical properties e.g., electrical conductivity, thermal conductivity , refraction index are the different in different directions. But amorphous solids, liquids and grass are isotropic (i.e. same physical properties in all directions).
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Solids have properties like rigidity a definite shape and a define volume. If intermolecular forces are greater than thermal energy, substances exist as solid. Solids can be classified into two types. Crystalline solids and amorphous solids, Crystalline solids have regular arrangement of particles, definite geometric shapes, sharp melting points and definite heat of fusion. They are anisotropic and undergo clean cleavage. On the other hand, amorphous solid have no regular arrangement of particles, irregular shapes, melt over a range of temperature, no definite heat of fusion. They are isotropic and undergo irregular cleavage. The melting point of crystalline solids is sharp due to:

Solids have properties like rigidity a definite shape and a define volume. If intermolecular forces are greater than thermal energy, substances exist as solid. Solids can be classified into two types. Crystalline solids and amorphous solids, Crystalline solids have regular arrangement of particles, definite geometric shapes, sharp melting points and definite heat of fusion. They are anisotropic and undergo clean cleavage. On the other hand, amorphous solid have no regular arrangement of particles, irregular shapes, melt over a range of temperature, no definite heat of fusion. They are isotropic and undergo irregular cleavage. Solid X is very hard, electrical insulator in solid as well as molten state and melts at extremely high temperature. Name the type of solid is it?

Name the three of crystalline solids having the formula AB.

(A) Crystalline solids are anisotropic. (R) Crystalline solids are not as closely packed as amorphous solids.

Crystalline solids are called true solids.Why ?

Assertion (A) : Crystalline solids are anisotropic in nature. Reason (R) : Crystalline solids melt at a sharp and characteristic temperature.

Crystalline solid are

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