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  1. The density of water is 1 g/cc. This is strictly valid at
    1. 0°C
    2. 4°C
    3. 25°C
    4. 100°C
Correct Option: B

Water never has an absolute density because its density varies with temperature. Water has its maximum density of 1g/cm3 at 4 degrees Celsius. When the temperature changes from either greater or less than 4 degrees, the density will become less than 1 g/cm3. Water has the maximum density of 1 g/cm3 only when it is pure water.



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