1. Intro to General Chemistry

Which of the following most likely indicates that a chemical change has occurred?

Which statement best describes a physical change?

Which statement describes one of the main differences between a physical and a chemical change?

Which of the following best describes the molecular changes that occur when ice cream melts and becomes a liquid?

Which of the following is NOT an example of a chemical change?

What is the process called when water is heated and changes from a liquid to a gas?

Which of these scenarios is most likely a chemical reaction?

When a refrigerant evaporates, which of the following best describes the process?

When water is changed from a liquid to a gas, which type of change occurs?

Which of the following best indicates that a chemical change has occurred?

During a chemical change, what happens to the molecules of a substance?

Which term best describes the process in which particles escape from the surface of a liquid and become gaseous?

When a puddle of water dries up, is this process considered a physical change or a chemical change?

Which of the following physical changes involves a change in a substance's state of matter?

Which of the following best explains how melting ice differs from burning a substance?