Pure Substances and Mixtures Quiz

What is a pure substance?

• A material composed of only one type of particle.

• A mixture of different elements and compounds.

• A material composed of multiple types of particles.

• A substance that is impure and contaminated.

What is an impure substance?

• A substance that is always in liquid form.

• A substance that contains more than one type of particle.

• A substance that is completely transparent.

• A substance that contains only one type of particle.

Give an example of a pure substance.

• Carbon dioxide (CO2)

• Air

• Water (H2O)

• Salt (NaCl)

What is an element?

• A combination of different types of atoms

• A liquid state of matter

• A substance made up of only one type of atom

• A type of chemical bond

What is a compound?

• A substance formed when two or more chemical elements are chemically bonded together.

• A type of rock formation

• A type of fruit salad

• A type of single element

What is a mixture?

• A combination of two or more substances that are not chemically combined.

• A single substance with uniform composition

• A combination of two or more substances that are chemically combined

• A mixture is a pure substance

What are the two types of mixtures?

• Chemical mixtures and physical mixtures

• Metallic mixtures and non-metallic mixtures

• Solid mixtures and liquid mixtures

• Homogeneous mixtures and heterogeneous mixtures

What is a solution?

• A type of solid

• A homogeneous mixture of two or more substances

• A type of problem

• A type of gas

Are solutions considered mixtures?

• Only in certain conditions

• Sometimes

• Yes

• No