An example solid sol of

Options

A. Paint
B. Gem stones
C. Hair cream
D. Butter

Explanation

To solve the question "An example solid sol of," we need to understand the concept of a solid sol and identify an appropriate example from the given options.

### Step-by-Step Solution:

1. **Understand the Definition of Solid Sol**:
- A solid sol is a type of colloid where both the dispersed phase and the dispersion medium are solid. In other words, it is a mixture where solid particles are distributed throughout another solid.

2. **Analyze the Given Options**:
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