Essential Chemistry for IGCSE - Particles And Purification (Section 5 - No. 24)
What happens to the particles in a substance at its freezing point?
The particles lose energy and begin to move in fixed positions.
The particles gain energy and begin to move in fixed positions.
The particles stop moving completely.
The particles start to move faster.
Explanation
At freezing, the particles lose energy and become more ordered.
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