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Change of phase occurs at a constant temperature, which implies that even on addition of heat to a substance temperature remains constant. True or False?

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in Physics – Class 11 by (74.2k points)
Change of phase occurs at a constant temperature, which implies that even on addition of heat to a substance temperature remains constant. True or False?

(a) True

(b) False

I had been asked this question during an online exam.

I'm obligated to ask this question of Thermal Properties of Matter topic in portion Thermal Properties of Matter of Physics – Class 11

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Correct option is (a) True

Easy explanation: The temperature change with heat supplied is shown below. During change of phase heat supplied is used to make changes in intermolecular distances while the temperature remains constant.

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