2.2 - Characteristics of Chemical Changes
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Practice Questions
Test your understanding with targeted questions
What is a sign of a chemical change?
💡 Hint: Think of reactions you've seen in experiments.
Name one characteristic of a chemical change.
💡 Hint: What happens to the original substances?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What occurs during a chemical change?
💡 Hint: Remember the definition of a chemical change.
True or False: All chemical changes are reversible.
💡 Hint: Consider examples like burning wood.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
You combine hydrochloric acid and sodium bicarbonate. Describe the observations that indicate a chemical change, including whether it is reversible.
💡 Hint: Think about the gas that is formed during the reaction.
Discuss why cooking food is a chemical change. Provide examples of physical changes occurring during cooking.
💡 Hint: What happens to the molecular structure of food while cooking?
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