2.3 - Physical and Chemical Changes
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Practice Questions
Test your understanding with targeted questions
What type of change occurs when ice melts?
💡 Hint: Think about if the ice turns into something new.
Is rusting of iron a physical or chemical change?
💡 Hint: Consider if a new substance is formed.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which of the following is a physical change?
💡 Hint: Think of whether the composition is altered.
True or False: All chemical changes are irreversible.
💡 Hint: Consider if reactions can go back to their original state.
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Challenge Problems
Push your limits with advanced challenges
A piece of metal rusts, forming iron oxide. Classify this change and explain why.
💡 Hint: Think about whether the original substance changes chemically.
Describe a scenario where both physical and chemical changes occur. Explain the processes involved.
💡 Hint: Identify the different changes happening during the cooking process.
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Reference links
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