Question

Distinguish between suspensions and colloids.

Answer 1

Suspensions	Colloids
1. Suspensions are heterogeneous mixtures.	1. Colloids are heterogeneous mixtures but sometimes exhibit the properties of homogeneous mixtures.
2. The size of the particles is large, thus visible to the naked eye.	2. The size of the particles is very small and microscopic.
3. The particles get settled on keeping undisturbed.	3. The particles do not settle on standing.
4. Suspensions can be separated by filtration.	4. Colloids cannot be separated by filtration.
5. Examples: Sand in water, oil in water	5. Examples: Milk and fog