Topic Details (Notes format)

Surface Chemistry

Subject: General Science

Book: NCERT Chemistry Class 12

Study of surface interactions.
- **Adsorption & Catalysis**:
- Physisorption vs Chemisorption.
- **Colloidal Systems**:
- Properties and types.
- **Emulsions and Gels**:
- Applications in industry.

**Possible Exam Questions:**
1. Differentiate between adsorption and absorption.
2. Explain the characteristics of colloidal solutions.
3. What is the role of catalysts in chemical reactions?
4. How do emulsions work in food processing?
5. Explain Brownian motion and its significance.

Practice Questions

Which gas is most abundant in Earth’s atmosphere?

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What is the chemical formula of sulfuric acid?

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What is the chemical formula of methane?

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Which part of the plant conducts water?

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