Physics · Oct / Nov 2025 · Paper 11 · Question 14
5054States of matter
A student heats a substance in which the particles are in fixed positions and vibrate. After a short period of heating, the particles start to flow past each other, but the forces between the particles remain strong. What has happened to the substance?
- AIt has condensed.
- BIt has evaporated.
- CIt has frozen.
- DIt has melted.
As printed in the paper
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Correct answer: D. It has melted.
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