A quantity of heat required to change the unit mass of a solid substance, from solid state to liquid state, while the temperature remains constant, is known as the _______.

Latent heat

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Sublimation

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Hoar frost

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Latent heat of fusion

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Solution

The correct option is D
Latent heat of fusion

Latent heat is defined as the amount of heat required to change the state of a substance, while the temperature remains constant. Here, the state changes from solid to liquid, hence, it is defined as the latent heat of fusion.

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A quantity of heat required to change the unit mass of a solid substance, from solid state to liquid state, while the temperature remains constant, is known as the _______.

The correct option is D Latent heat of fusion Latent heat is defined as the amount of heat required to change the state of a substance, while the temperature remains constant. Here, the state changes from solid to liquid, hence, it is defined as the latent heat of fusion.

The correct option is D
Latent heat of fusion

Latent heat is defined as the amount of heat required to change the state of a substance, while the temperature remains constant. Here, the state changes from solid to liquid, hence, it is defined as the latent heat of fusion.