Final answer:
Chemical changes involve creating new substances like burning a candle, frying an egg, and making coffee, while physical changes like boiling alcohol and melting an ice cube involve state changes without forming new substances.
Explanation:
Chemical changes, characterized by the formation of new substances, include burning a candle, frying an egg, and making coffee. On the other hand, boiling alcohol and melting an ice cube are examples of physical changes where the substances undergo a change in state without forming new substances.
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