True Solution | Colloidal solution |
1. Homogeneous | 1. Heterogeneous |
2. Solute exists as a molecule or iron | 2. Solute exist aggregate of 100−1000 molecules |
3. Exert high osmotic pressure | 3. Exert low osmotic pressure |
4. Solute size <1nm called Amicrons. | 4. Solute size <1−100nm called sub microns. |