Q. 23

Some of the properties of water are described below. Which of them is/are not correct?
A. Water is known to be a universal solvent.

B. Hydrogen bonding is present to a large extent in liquid water.

C. There is no hydrogen bonding in the frozen state of water.

D. Frozen water is heavier than liquid water.

Answer :

In water due to the electronegative oxygen atom, we can see hydrogen bonding in water which is even present in the frozen state of water.

Since water expands on freezing, so the volume of ice for the same mass of water is more than water. In other words, density of ice is lower than water and hence ice floats on water.

As , thus for a substance with lower density, its mass is also less.

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