Chemistry Suspension Examples...
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http://en.wikipedia.org/wiki/Suspension_(chemistry)
Suspension is a type of heterogeneous mixture in which solid particles are dispersed in a liquid or gas medium. These solid particles are usually larger and do not dissolve like in a solution. Instead, they can settle down over time due to gravity. Here are some examples of suspensions in chemistry:
1. Orange juice with pulp: When you pour orange juice with pulp into a glass, you can see small solid particles of pulp floating in the liquid. These solid particles are suspended in the juice, and if left untouched, they will settle at the bottom of the glass.
2. Dust in the air: When sunlight passes through a room, you might see dust particles floating in the air. These dust particles are suspended in the gas medium (air). Over time, gravity will cause the dust particles to settle on surfaces.
3. River water: River water contains suspended particles such as silt, clay, and organic matter. These solid particles are not dissolved but dispersed in the water. They give the water a cloudy or turbid appearance.
4. Paint: Paint is a common suspension that contains pigments suspended in a liquid (such as water or oil). The solid particles of pigment give the paint its color and opacity. If left undisturbed, the pigments will eventually settle at the bottom of the container.
To identify suspensions, you can try the following steps:
1. Observe the mixture: Look for the presence of visible solid particles in the liquid or gas medium.
2. Check for settling: If the mixture has been left undisturbed for some time and you notice the solid particles settling at the bottom, it is likely a suspension.
3. Shake or stir the mixture: When you agitate a suspension, the solid particles will become dispersed throughout the liquid or gas. If they eventually settle down again, it confirms that you have a suspension.
Remember, suspensions can be separated by physical means like filtration, centrifugation, or allowing them to settle and then decanting the clear liquid.