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

What is the chemical formula of water?

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Which organelle is known as the "powerhouse of the cell"?

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What is the chemical name of table salt?

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What is the smallest unit of life?

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Which gas is released during photosynthesis?

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What is the primary source of energy for life on Earth?

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What is the atomic number of hydrogen?

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Which process separates light into its component colors?

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What type of macromolecule is an enzyme?

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Which element is the most abundant in the Earth’s crust?

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