Observe the following graph. Considering the change in volume of water as its temperature is raised from 0°C, discuss the difference in the behaviour of water and other substances. What is this behaviour of water called?

Open in App

Solution

Most of the substances expand on heating and contract on cooling. Whereas, from the graph, it is clearly visible that water shows a distinct and peculiar behavior between 0^oC to 4^oC. Water, instead of expanding, contracts between 0^oC to 4^oC. After 4^oC, it shows the normal behavior of expansion as is shown by other substances. Thus, at 4^oC, water posses maximum density and minimum volume.
This behavior of water between 0^oC to 4^oC is known as anomalous behavior of water.

Suggest Corrections

Similar questions

State the volume changes observed when a given mass of water is heated from $0^{\circ}$ to $10^{\circ}$ . Sketch a temperature-volume graph to show the behaviour.

Q. A block of wood is floating in water at

0^{\circ} C

. Thee temperature of water is slowly raised from

0^{\circ} C

10^{\circ} C

. How will the percentage of volume of block above water level change with rise in temperature ?

Q. A block of wood is floating on water at

0^{\circ} C

, with a certain volume V above water level. The temperature of water is slowly raised from

0^{\circ} C

. How will the volume V change with the rise of temperature?

Q. A block of wood is floating on water at

O^{0}

C, with a certain volume V above water level. The temperature of water is slowly raised from

O^{0}

C. How will the volume V change with the rise of temperature?

Q. What change in volume will be observed when temperature of water gradually increases from

0^{\circ} C

15^{\circ} C

Join BYJU'S Learning Program