Characteristics of Matter Practice Quiz

Example(s) of a pure substance are

• water

• stainless steel

• salt water

• air

Example(s) of a mixture are

• water

• stainless steel

• salt

• aluminum rod

Example(s) of a homogenous substance are

• salt water

• sandy water

• granite rock

• Italian salad dressing

Example(s) of a heterogeneous substance are

• salt water

• vinegar water

• air

• granite rock

Example(s) of solutions are

• salad dressing

• Hydrochloric acid

• Saline (saltwater)

• More than one of these are a solution

When vinegar is added to a solution of baking soda, a gas is produced. What does the gas represent?

• chemical change

• physical change

• no change

• evaporation

When mixing milk and lemon juice, both liquids, a solid is produced. What is the solid called?

• condensate

• precipitate

• gas

• physical change

A student places a salt water solution on a hot plate and boils off the water. Which method of separation is being used?

• separation by magnetism

• separation by filtration

• separation by evaporation

• separation by liquification

The law of conservation of mass states

• mass is not conserved and compounds will be destroyed.

• mass is neither created nor destroyed, but rather changes from one form to another.

• mass does not exist.

• mass is conserved in a reaction, and the reactants in a chemical reaction never change into products.

Which of the following is an example of matter?

• Air

• Gravity

• Light

• Heat