Matter Test Review 2

[check all that apply] Pure substances include:

• Elements

• Homogeneous Mixtures

• Compounds

• Heterogeneous Mixtures

[check all that apply] Mixtures are

• chemically combined

• composed of two or more types of matter that can be present in varying amounts

• One or more elements chemically combined

• can be separated by physical changes

A bottle of dishwashing detergent contains a clear, viscous liquid. The label has a long list of ingredients, including water, sodium lauryl sulfate, fragrance, and Blue dye #5.

What can you infer about the material in the bottle from this label and the appearance of the liquid?

• It is a pure substance.

• It is a compound.

• It is a heterogeneous mixture.

• It is a homogeneous mixture.

This method separates dissolved substances based on differences in how well they dissolve in a solvent.

• Filtration

• Evaporation

• Distillation

• Chromatography

This method requires the use of a condenser.

• Filtration

• Evaporation

• Distillation

• Chromatography

This method separates substances due to differences in the sizes of their particles.

• Filtration

• Evaporation

• Distillation

• Chromatography

What tool can be used to separate plastic beads and metal paper clips?

• filter

• magnet

• strainer

• cloth

Which of the following pairs of substances may best be separated through distillation

•  sand and soil
• water and soil
• salt and sand
•  water and alcohol

This diagram represents...

• An element

• A molecule

• A compound

• A mixture of elements and compounds

• element
• compound
• mixture of elements
• mixture of compounds