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Matter and Its Composition — CHEMISTRY STD 7 — Question

ICSE BoardEnglish MediumSTD 7CHEMISTRYMatter and Its Composition2 Marks
Question
What happens when a solid is heated ?
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Answer

When a solid is heated, its molecules gain energy and vibrate faster. A stage comes when they overcome intermolecular force of attraction and start moving from each other. This results in melting of solid.

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