When water at 0°C freezes to form ice at the same temperature of 0°C, then it :(a) absorbs some heat(b) releases some heat(c) neither absorbs nor releases heat(d) absorbs exactly 3.34 × 105 J/kg of heat


Correct Answer: (b) releases some heat

Explanation: At 0°C, water releases some heat to lower the speed of molecules, and when it is cool enough the molecules of water are fixed at one position and they start vibrating and convert into ice (solid).

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Updated on: 10-Oct-2022

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