A solid-liquid mixture is a combination of solid and liquid substances together. It can be a suspension where solid particles are dispersed or suspended in a liquid, or it can involve solids dissolving in a liquid to form a solution. Examples include sand and water (solid particles suspended in liquid) and salt dissolved in water (solid dissolved in liquid forming a solution).
Such mixtures are important in many processes and industries, where the liquid phase often controls the movement and interaction of the solid particles. The solid can either be fully or partially dissolved, or remain as suspended particles, and the mixture may be homogeneous (solution) or heterogeneous (suspension).
Examples of solid-liquid mixtures:
- Salt and water (solid dissolves in liquid)
- Charcoal and water (solid particles suspended in liquid)
- Chalk particles in water (solid particles suspended)
- Clay mixed with water (mud)

