O-LevelPhysicsThermal Physics5054/11 · Oct/Nov 2025 · Q161 Mark
A sample of a solid melts and becomes a liquid. Which statement about the sample during the process of melting is correct?
AIts temperature changes from a negative to a positive value.
BIts temperature is constant.
CThe forces between its particles become stronger.
DThe kinetic energy of its particles increases.
✓ Correct answer
B: Its temperature is constant.
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