1. Intro to General Chemistry

Physical & Chemical Changes

Multiple Choice
Which of the following is NOT an example of a chemical change?
Multiple Choice
What is the process called when water is heated and changes from a liquid to a gas?
Multiple Choice
Which of these scenarios is most likely a chemical reaction?
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Multiple Choice
When a refrigerant evaporates, which of the following best describes the process?
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Multiple Choice
When water is changed from a liquid to a gas, which type of change occurs?
Open Question
Where are chlorofluorocarbons found?
A. Coolants
B. The atmosphere
C. Solvents
D. All of the above
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Open Question
When the color, smell, and taste of the mixture changed, I knew a chemical ___ had taken place.
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Multiple Choice
Which of the following best indicates that a chemical change has occurred?
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Multiple Choice
During a chemical change, what happens to the molecules of a substance?
Multiple Choice
Which term best describes the process in which particles escape from the surface of a liquid and become gaseous?
Multiple Choice
When a puddle of water dries up, is this process considered a physical change or a chemical change?
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Multiple Choice
Which of the following physical changes involves a change in a substance's state of matter?
Multiple Choice
Which of the following best explains how melting ice differs from burning a substance?
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Multiple Choice
When two liquids are mixed and bubbles form, what type of change has most likely occurred?
Multiple Choice
Which term best describes a change in matter that produces one or more new substances?
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