1. Intro to General Chemistry

Water freezing and becoming ice is an example of what type of change?

Which type of process is ice melting to become liquid water?

Which of the following is an example of a chemical change?

Which of the following laboratory activities involves a chemical change?

Which of the following best describes the main difference between physical properties and chemical properties?

Which of the following observations would indicate that Pedro succeeded in creating a chemical change?

During a chemical change, what happens to the atoms in the substances involved?

When water changes from a liquid to a solid, how does the motion of its molecules change?

In an isolated system, is it possible for a change of physical state (such as melting or boiling) to occur?

Which statement best describes a physical change?

In the context of physical and chemical changes, when does a chemical transformation occur?

Which of the following best describes how a chemical change differs from a physical change?

Which of the following is NOT a likely indicator of a chemical change?

Which of the following is an example of objective information?

Which type of change occurs when liquid water evaporates and becomes water vapor?