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Question
The density of water is maximum at _______.
The density of water is maximum at _______.
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Solution
The correct option is C 4∘ C
∙ Density of a substance is mass per unit volume.
∙ Water undergoes anomalous expansion i.e. it has unusual physical properties. When water cools, first it contracts in volume till 4° C then after that it starts expanding until it reaches 0° C.
∙ Hence, at 4°C the volume of water is minimum and thus, density is maximum.
∙ Density of a substance is mass per unit volume.
∙ Water undergoes anomalous expansion i.e. it has unusual physical properties. When water cools, first it contracts in volume till 4° C then after that it starts expanding until it reaches 0° C.
∙ Hence, at 4°C the volume of water is minimum and thus, density is maximum.
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