Answer:Five Types of ColloidsColloids are classified based on the phases of the dispersed phase and dispersion medium. Here are the five main types: 1. Sol- Dispersed phase: Solid- Dispersion medium: Liquid- Examples: Paints, blood, ink .2. Emulsion- Dispersed phase: Liquid- Dispersion medium: Liquid- Examples: Milk, mayonnaise, oil in water .3. Foam- Dispersed phase: Gas- Dispersion medium: Liquid or solid- Examples: Whipped cream, soap suds, styrofoam .4. Aerosol- Dispersed phase: Solid or liquid- Dispersion medium: Gas- Examples: Smoke, fog, hairspray .5. Gel- Dispersed phase: Liquid- Dispersion medium: Solid- Examples: Gelatin, cheese, jelly .