Why do we stir the paint thoroughly before using it?

Explanation

**Step-by-Step Solution:**

1. **Understanding Paint as a Colloidal Solution:**
- Paint is classified as a colloidal solution, which means it consists of tiny particles (the solute) dispersed throughout a liquid (the solvent).

2. **Observation of Settling:**
- When paint is left undisturbed for a long time, the solid particles (pigments) within the paint begin to settle at the bottom of the container. This phenomenon occurs due to gravity acting on the heavier particles.

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