How is a suspension different from emulsion.
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Answers
Answer:
An emulsion is similar to a suspension only in that it is a mixture of two components. That is where the similarities end, however. Unlike a suspension, which can consist of two components of any phase, an emulsion is a mixture of two liquids.
Answer:
Type of mixture
Suspension - It is a heterogeneous mixture, where the dispersed particles are large and settle on standing.
Emulsion - It is a heterogeneous mixture of two immiscible liquids. It is a type of colloids and dispersed particle do not settle on standing.
Particle size
Suspension - Suspended particles of size more than 1000 nm. May be visible through the naked eye.
Emulsion - Dispersed particles of size 1 to 1000 nm. Not visible through the naked eye.
Dispersed phase and the Dispersion medium
Suspension - Solid particles are dispersed in any medium, that can be solid, gas or liquid.
Emulsion - Both dispersed phase and the dispersion medium are liquid.
Separation of components
Suspension - Can be separated by filtration.
Emulsion - Cannot be separated by filtration.
Scattering of light
Suspension - May scatter light or opaque.
Emulsion - Shows Tyndall effect.
Stability
Suspension - Suspending agents are required for the stability.
Emulsion - Emulsifying agents are required for the stability.
Examples
Suspension - Sand in water, flour in water.
Emulsion - Milk, vanishing cream, butter.