Why does the temperature remain constant during melting of ice even on heating?

Question

Why does the temperature remain constant during melting of ice even on heating? — Exam MCQ

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D. Heat energy is used to overcome particle attraction — Average velocity equals total displacement divided by total time. Since the car returns to its starting point, its displacement is zero, so average velocity is zero.

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A. Heat energy converts directly into work

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B. Heat energy escapes from ice into the surroundings

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C. Heat energy increases kinetic energy instantly

Why does the temperature remain constant during melting of ice even on heating?

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