Key Differences
Particle Size
Particles range from 1 nm to 1000 nm, invisible to naked eye but visible under microscope.
Homogeneity
Heterogeneous but appears homogeneous, particles cannot be separated by filtration.
Tyndall Effect
Shows Tyndall effect as particles scatter light.
Stability
Relatively stable, particles do not settle on standing.
Transparency
Translucent, allowing some light to pass through.
Examples
Milk
Milk is a colloid with fat globules dispersed in water.
Blood
Blood is a colloid with various cells and proteins dispersed in plasma.
Fog
Fog is a colloid with water droplets dispersed in air.
Ruby Glass
Ruby glass contains gold particles dispersed in glass.
Shaving Cream
Shaving cream is a foam-type colloid with gas bubbles in liquid.