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JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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Assertion: A beaker is completely filled with water at 4∘C4^{\circ} \mathrm{C}. It will overflow, both when heated or cooled.
Reason: There is expansion of water below and above 4∘C4^{\circ} \mathrm{C}.
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Correct option: A
If both assertion and reason are true and reason is the correct explanation of the assertion
Option A is correct because water has maximum density at 4°C, and heating or cooling causes expansion, leading to overflow.

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