Colloids and Their Properties Definition, Types, Examples & Uses

Colloids and Their Properties

Subject: General Science

Book: NCERT Chemistry Class 12

Study of mixtures with dispersed particles.
- **Types of Colloids**:
- Sols, gels, emulsions.
- **Tyndall Effect and Brownian Motion**:
- Scattering and random motion of particles.
- **Industrial Applications**:
- Paints, food products, medicines.

**Possible Exam Questions:**
1. What are colloids? Give examples.
2. Explain the Tyndall effect and its significance.
3. What is Brownian motion? How does it affect colloids?
4. How are colloids used in the food industry?
5. Discuss the role of colloids in the pharmaceutical industry.