Colloidal dispersion of a liquid in a gas is called……….

Explanation

**Step-by-Step Solution:**

1. **Understanding Colloidal Dispersion**: A colloidal dispersion is a system where tiny particles (the dispersed phase) are distributed throughout a continuous medium (the dispersion medium). In this case, we are looking at a liquid dispersed in a gas.

2. **Identifying the Components**: In this scenario, the liquid acts as the dispersed phase, while the gas serves as the dispersion medium.

3. **Naming the Colloidal System**: When a liquid is dispersed in a gas, the colloidal system is specifically referred to as an "aerosol".

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