All matter is either...

• A pure substance or a mixture

• Heterogenous or homogenous

• Pure substance or man-made

• Mixtures or controlled

A solution looks like one mixture and most often is called a homogenous mixture.

• True

• False

The experiment we did in class to test if the marker was a pure substance or not is called...

• Filter distinguisher

• Paper chromatography

• Paper identifier

• Paper predicter

Concentration and solubility are the same thing.

• True

• False

In a solution, the substance that dissolves is called the...

• Solvent

• Solute

• Liquid

• Particle

In a solution, the substance that does the dissolving is called the...

• Solvent

• Solute

• Crystals

• Gas

Explain what the concentration of a solution is and provide an example.

Cup A = 10 g of sugar in 50 mL of water (10 g/50 mL)

Cup B = 25 g of sugar in 100 mL of water (25 g/100 mL)

Which drink is more concentrated?

• Cup A

• Cup B

• They are the same

Explain the difference between a saturated and unsaturated solution.

The maximum amount of solute you can add to a fixed volume of solvent at a given temperature is called...

• The density

• The particle max

• The solubility

• The concentration