Question

how does the density of a liquid (or gas) vary with temperature?​

Answer 1

Answer:

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Explanation:  Density is the ratio of mass to volume. When the temperature varies, the volume of the liquid changes.

Answer 2

Explanation:

As the temperature increases, volumes of most of the liquids also increases and when the volume increases density decreases. Similarly, when temperature decreases, the volume of most liquids decreases which increases the density.