What are the properties of suspension?

Suspensions are mixtures where solid particles are dispersed in a liquid or gas. They have distinct properties that set them apart from other types of mixtures.

Key Characteristics of Suspensions

• Particle Size: The solid particles in a suspension are typically larger than 1 micrometer. This size allows them to be seen with the naked eye.
• Settling: Over time, the solid particles will settle at the bottom of the container if left undisturbed, due to gravity.
• Cloudiness: Suspensions often appear cloudy or opaque because the solid particles scatter light.
• Separation: When mixed, the components can be separated through filtration or centrifugation, unlike solutions where the solute is dissolved.
• Stability: Suspensions are generally unstable, meaning they require constant agitation to keep the solid particles evenly distributed.

Examples of Suspensions

Common examples include:

• Sand in water
• Dust in the air
• Medications like calamine lotion

Understanding these properties helps in various applications, from pharmaceuticals to environmental science.