Ch. 12 Test Review

2 or more substances that are visibly distinguishable

• Heterogeneous

• Homogenous

substance that dissolves the solute

• solution
• solvent
• saturation

Which are different types of mixtures

• suspension
• solution
• colloid
• all the above

heterogeneous mixture in which some of the particles settle out of the mixture upon standing

• solution
• colloid
• solvent
• suspension

You can make a solute dissolve more quickly in a solvent by

• adding more solute.

• adding ice.

• heating the solvent.

• removing some solvent.

A solution that contains all of the solute it can hold and has visible undissolved solute is

• diluted.

• saturated.

• supersaturated.

• unsaturated.

A solution that is able to dissolve additional solute is best described as

• supersaturated.

• concentrated.

• saturated

• unsaturated.

Oil molecules are nonpolar. What kind of solvent is required to remove an oil stain?

• saturated
• unsaturated
• polar
• nonpolar

An electrolyte is...

• The rapid, random movement of particles in colloidal dispersion.
• A substance that dissolves in water and conducts electric current.
• A substance that dissolves in water and does not conduct electric current.
• The solution process when water is the solvent.

The ___ is the thing being dissolved.

• solute
• solvent
• mixture
• suspension