What is the difference between colloid and suspension?
| Colloid | Suspension |
| Colloids are homogeneous mixtures of two or more substances. | Suspensions are heterogeneous mixtures of two or more substances. |
| Colloids have extremely small particle sizes. | Suspensions have larger particle sizes. |
| Colloids are stable and do not settle. | Suspensions are unstable and settle over time. |
| Colloids show Tyndall effect. | Suspensions do not show Tyndall effect. |
| Colloids have a higher viscosity. | Suspensions have a lower viscosity compared to Colloids. |