2.1 - Introduction
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Practice Questions
Test your understanding with targeted questions
What is a chemical change?
💡 Hint: Think about transformations.
Give an example of a chemical change.
💡 Hint: Can you think of a change that cannot be reversed?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What occurs during a chemical change?
💡 Hint: Think about the result of the change.
Chemical changes can be reversed. True or False?
💡 Hint: Recall examples discussed in class.
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Challenge Problems
Push your limits with advanced challenges
Consider photosynthesis and combustion. Discuss how both involve energy changes but in different directions.
💡 Hint: Think about how energy flows in both processes.
Explain how understanding chemical changes can influence environmental policies.
💡 Hint: Consider how reactions impact the environment.
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Reference links
Supplementary resources to enhance your learning experience.