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Colloids and Suspensions
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Slide 1

Suspensions and Colloids

Suspensions and Colloids

Slide 2

Colloids and suspensions are heterogeneous

Colloids and suspensions are heterogeneous

mixtures

Slide 3

Suspensions and Colloids

Suspensions and Colloids

Suspensions and colloids are NOT solutions.

Suspensions: The particles are so large that they settle out of the solvent if not constantly stirred.

Colloids: The particle is intermediate in size between those of a suspension and those of a solution.

Slide 4

Smog Ц A Suspension

Smog Ц A Suspension

Slide 5

Types of Colloids

Types of Colloids

Slide 6

The Tyndall Effect

The Tyndall Effect

Colloids scatter light, making a beam visible. Solutions do not scatter light.

Which glass contains a colloid?

solution

colloid

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