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Interconversion of State

The process o...

Question

The process of changing a solid at its melting point into liquid state, without any rise in temperature is called ........

A

fusion

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B

melting

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C

condensation

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D

none of the above

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Solution

The correct option is B melting
When the temperature of a substance reaches its melting point, then the heat supplied (latent heat of fusion) is used in increasing the internal energy of the substance due to which the temperature does not increase, the molecules drift apart and the change of state (solid to liquid) takes place. Therefore, melting is the correct answer.

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