Which of the following are examples of aerosols?

Options

A. Whipped cream
B. Cloud
C. Fog
D. Soap lather

Answer

To determine which of the given options are examples of aerosols, we need to understand the definition of aerosols. An aerosol is a suspension of fine solid particles or liquid droplets in a gas.

Let’s analyze each option:

1. **Whipped Cream**:
- Whipped cream is a colloid where gas (air) is dispersed in a liquid (cream). It does not fit the definition of an aerosol because the dispersant medium is not a gas.

2. **Cloud**:
- Clouds are formed when water vapor condenses into tiny liquid droplets or ice crystals suspended in the air. Here, the dispersant medium is gas (air), and the dispersant phase is liquid (water droplets). Therefore, clouds are considered aerosols.

3. **Fog**:
- Fog is similar to clouds but occurs at ground level. It consists of tiny water droplets suspended in the air, making it an aerosol as well. The dispersant medium is gas (air), and the dispersant phase is liquid (water droplets).

4. **Soft Leather**:
- Soft leather does not fit the definition of an aerosol. It is a solid material and does not involve a gas as a dispersant medium.

Based on this analysis, the correct examples of aerosols from the given options are:

- **Cloud (Option B)**
- **Fog (Option C)**

**Final Answer**: The correct examples of aerosols are **Cloud** and **Fog**.