Question

Differentiate between Suspension and colloid.

Answer 1

Suspension

1. Heterogeneous
2. Particle size greater than 10^-7 m.
3. Opaque.
4. Particles are visible.
5. Particles of suspension settle at the bottom of the container.
6. Particles of suspension do not pass through filter paper.

Colloid

1. Heterogeneous.
2. Particles size between 10^-10 to 10^-7m.
3. Translucent.
4. Particles can be seen with the help of a powerful microscope.
5. Particles of colloids do not settle.
6. Colloidal particles pass easily through ordinary filter paper but do not pass through ultra filters.