chapter 13 review

A solution is a mixture containing particles that settle out of the mixture if left undisturbed.

• True
• False

The most abundant substance in a colloid is the dispersion medium.

• true

• false

A colloid can be separated by filtration.

• true

• false

A solid emulsion consists of a liquid dispersed in a solid.

• true

• false

Whipped cream is an example of a foam.

• true

• false

In an aerosol, the dispersing medium is a liquid.

• true

• false

Brownian motion results from the collisions of particles of the dispersion medium with the dispersed particles.

• true

• false

Dispersed particles in a colloid do not tend to settle out because they have polar or charged atomic groups on their surfaces.

• true

• false

Stirring an electrolyte into a colloid stabilizes the colloid.

• true

• false

Colloids demonstrate the Tyndall effect.

• true

• false