Which of the following is an example of a chemical change?
A)gasoline being used in the engine of a car producing exhaust
B)water freezing into ice crystals
C)aftershave or perfume on your skin generating a smell
D)a piece of metal expanding when heated,but returning to original size when cooled
E)breaking a glass window

Question

Quizplus · Accepted Answer

Gasoline being used in the engine of a car producing exhaust is an example of a chemical change, as the hydrocarbons in the gasoline are reacting with the oxygen in the air to produce carbon dioxide, water vapor, and other products.

Which of the Following Is an Example of a Chemical