A suspension is a heterogeneous mixture in which small particles of a solid remain suspended throughout the mass of the liquid or gas. For example, mud, sand and chalk particles remain suspended in water. Solid particles may remain suspended even in a gas. These mixtures are called suspensions.
Examples: Muddy water, sand - water mixture, chalk - water mixture, paints, etc., are suspensions.
Properties | True solution | Colloidal solution | Suspension |
---|---|---|---|
1. Appearance | Homogeneous and transparent | Heterogeneous and translucent | Heterogeneous and opaque |
2. Particle size |
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3. Visibility |
Particles are not visible even with a powerful microscope. |
Particles can be seen with a high power microscope. |
Particles can be seen with naked eyes. |
4. Stability | Stable | Stable | Unstable |
5. Diffusion | Diffuses rapidly | Diffuses slowly | Does not diffuse |
6. Brownian Motion | Shows no Brownian motion | Shows Brownian motion | Shows no Brownian motion |
7. Example | NaCI dissolved in water | Blood | Mud water |
In which of the following mixtures the particles of solute can be separated by filtration? | |||
Right Option : B | |||
View Explanation |
Which of the following solutions is the least stable? | |||
Right Option : D | |||
View Explanation |
Which of the following are correct : (a) Solid particles may remain suspended even in a gas. (b) The particles in a suspension are large enough to be visible either to the unaided eye or under an ordinary microscope. (c) Muddy water, sand - water mixture, chalk - water mixture, paints, etc., are suspensions. | |||
Right Option : D | |||
View Explanation |
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