Question

Give reason:
When a teaspoon of sugar is added to half a glass of water and stirred, the water level in the glass does not rise.

Answer 1

 Add one teaspoon of sugar to it and stir. The sugar disappear but the level of water in the glass does not rise that means the volume of water has not increased. Because the sugar particles are adjusted between the water molecules. The shows that there are intermolecular gaps in water.