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Question

Which solid is formed when a viscous liquid is cooled rapidly?

A
Eutectic solid
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B
Crystalline solid
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C
Amorphous solid
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D
None of the above
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Solution

The correct option is C Amorphous solid
Amorphous solids does not have a definite geometrical shape. They don’t have long-range repetitive internal structures that are found in crystals. They don't have sharp melting point due to the disordered arrangements. They have a range of temperature for melting.
They are formed by sudden cooling of a liquid. They can be called supercooled liquids or pseudo solid because they have the tendency to flow through slowly.

Crystalline solids are produced by slow cooling of liquid under controlled conditions.

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