Properties of Matter

The chemical formula of glucose is C₆H₁₂O₆, so it is classified as a(n)

• element

• mixture

• solution

• pure substance

Orange juice is a heterogeneous mixture. Because it contains particles of pulp as well as liquid, its composition is not uniform throughout. Select ALL of the other heterogeneous mixtures.

• soil

• steel

A student adds 10 ice cubes to a large beaker filled with 400 mL of water. Which of the following best describes the contents of the beaker?

• A homogeneous solution of two substances

• A pure substance

• A solution of two pure substances

• A heterogeneous mixture of a pure substance

Heating gas to create plasma can yield

• neutrons.

• elements.

• molecules.

• free electrons.

Refer to the provided heating curve diagram.

Consider the heating curve of H₂O and line segments A, B, and C. Several changes are taking place at A, B, and C. All BUT ONE would be an appropriate description as we move through segments A, B and then C.

• Temperature is increasing.

• Kinetic energy is increasing.

• Space between molecules decreases.

• Molecular attraction is decreasing.

Which particle has the most energy?

• ice

• water

• steam

• there is no difference in particle energy

Refer to the Venn diagram showing the properties of matter. Select the option that correctly identifies the section labeled 'D'.

• Boiling point

• pH

• Flammability

• Is Matter is a substance

Which of these could also be classified as a chemical property of matter?

• odor

• melting point

• molecule size

• generation of heat

Most metals are solid at room temperature, malleable, ductile, good conductors of heat and electricity, and react in acids to produce hydrogen gas. Which of the properties mentioned is a chemical property?

• solid at room temperature

• malleable

• ductile

• good conductors of heat and electricity

• react in acids to produce hydrogen gas