Smoke is an example of

Options

A. sol
B. aerosol
C. emulsion
D. gel

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks what type of colloidal system smoke represents.

2. **Defining Colloids**: A colloid is a mixture where one substance is dispersed evenly throughout another. Colloids can be classified based on the state of the dispersed phase and the dispersion medium.

3. **Identifying the Components of Smoke**: Smoke consists of tiny solid particles (like soot) dispersed in a gas (air).

4. **Classifying Smoke**: Since smoke contains solid particles dispersed in a gas, it fits the definition of an aerosol.

5. **Conclusion**: Therefore, smoke is classified as an aerosol.

**Final Answer**: Smoke is an example of an aerosol.

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