Which of the given options causes the temperature of a substance to remain constant while it is undergoing a phase change?

Latent heat

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Lattice energy

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Ionization energy

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None of these

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Solution

The correct option is A
Latent heat
During the melting and boiling of some substances, additional heat is required for the phase change at the same temperature. This additional heat is known as latent heat.

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Which of the given options causes the temperature of a substance to remain constant while it is undergoing a phase change?

The correct option is A Latent heatDuring the melting and boiling of some substances, additional heat is required for the phase change at the same temperature. This additional heat is known as latent heat.

The correct option is A
Latent heat
During the melting and boiling of some substances, additional heat is required for the phase change at the same temperature. This additional heat is known as latent heat.