Final answer:
Chemical vs. physical changes explained with examples.
Explanation:
Evaporation of rubbing alcohol is a chemical reaction because it involves the liquid alcohol turning into a gas. On the other hand, actions like breaking a glass pane, freezing water, cutting down a tree are physical changes since they do not involve the formation of new substances through a chemical reaction. Digestion of food, for instance, involves various chemical reactions in the body to break down food into nutrients.
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