Mixtures of miscible liquids that differ in their boiling points may be separated by distillation.

An example of a chemical change is burning a wood log to give a pile of ashes.

Matter can be destroyed in a combustion reaction (such as burning fuel).

The energy of position is called kinetic energy.

Gases are the only form of matter that is easily compressible.

A compound is a substance that cannot be broken down into a simpler substance.

Which of the following statements about matter is FALSE?

Which of the following items is a pure substance?

Which of the following items is a mixture?

Which of the following is a heterogenous mixture?

Which of the following is a homogeneous mixture?

Which of the following items is a physical property?

Which of the following items is a chemical property?

Which of the following statements about physical and chemical changes is FALSE?

If you hold a solid piece of pure gallium metal in your hand, your body heat will melt the gallium into its liquid form. This illustrates which of the following?

Which state of matter has atomic spacing that is close together and definite shape?

Which of the following is correctly matched?

How many of the following are true? A. The melting of ice is a physical change B. The process of boiling water is an endothermic process. C. Solids have indefinite shape and volume. D. The corrosion of iron is a physical change. E. In physical changes, the atoms or molecules that compose the matter do not change their identity, even though the matter may change its appearance.

Of the following, how many are physical changes? 1.A balloon filled with hydrogen gas explodes upon contact with a spark. 2. Condensation of water vapor on a cold glass window. 3.Copper metal turns green on exposure to air and water. 4. Breaking down of food with saliva and digestive enzyme 5. Making maple syrup by heating maple sap to remove water through evaporation