Question

Give reasons for the following statements.
1. Solids have a fixed shape and size.
2. Solids expand very little on heating.
3. The fragrance of incense stick spreads out in air to a distance.
4. Molecules of gases move freely in all the directions.
5. Liquids expand more than solids.​

Answer 1

Explanation:

Solids have a fixed shape. ... Answer: Solids expand very little on heating due to the strong intermolecular ... the molecules. 3. The fragrance of incense stick spreads out in air to a distance. ... Hence, spreads out to a distance. 4. Molecules of gases move freely in all directions.