Question

What happens to the density of water when it is cooled from 10° C to 4° C???​

Answer 1

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At 4 deg C, the density of water is its max which is 1 g/mL. As it is warmed to 10 deg C the density decreases to 0.9997 g/mL. It also decreases upon cooling from 4 deg C and at 0 deg C, the density is 0.9998 g/mL.