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प्रश्न
Why is the latent heat of vaporisation much greater than the latent heat of fusion?
पर्याय
Melting completely separates molecules
Boiling completely separates molecules and expands against air pressure
Melting occurs at a higher temperature
Mass changes during melting
MCQ
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उत्तर
Boiling completely separates molecules and expands against air pressure
Explanation:
Vaporisation requires much more energy because molecules must fully separate and the substance expands against atmospheric pressure.
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