State whether the following statements are true or false.

Can latent heat become zero .

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True

False

answer is A.

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Detailed Solution

The given statement is true.
Concept- The heat is needed by a substance to change its state. The different types of idle heat are; idle heat of emulsion, idle heat of vaporization.
If the temperature/pressure reaches a certain value, known as the critical temperature or pressure, the latent heat becomes zero.The critical point is the point at which two states can coexist; at this point, latent heat is zero. As a result, at the critical point, the latent heat becomes zero.
So, we can say the latent heat of vapourisation will become zero when the temperature or pressure equals zero.
Hence, the given statement is true.

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