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 known as "laughing gas"?

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What is the approximate age of the Earth?

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What is the most abundant element in the universe?

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What type of electromagnetic radiation has the longest wavelength?

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What is the chemical formula of sulfuric acid?

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What is the chemical name of table salt?

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

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What type of macromolecule is an enzyme?

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

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Which process converts glucose into energy in the human body?

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