Statement I : Water expands both when heated or cooled from $4^{0} C$ .
Statement II : Density of water is minimum at $4^{0} C$ .

Moderate

A

If both statement I and statement II are true and statement II is the correct explanation of statement I.
B

If both statement I and statement II are true but statement II is not the correct explanation of statement I.
C

If statement I is true but statement II is false
D

If both statement I and statement II are false

Solution

At $4^{0} C$ the volume of water minimum, When it is cooled below $4^{0} C$ heated above $4^{0} C$ , then it expands or its volume increases. As volume at $4^{0} C$ is minimum, thus its density( $= \frac{mass}{volume}$ ) will be maximum.

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