Practice Physical And Chemical Changes (6)

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9 questions

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3 cards from this section. Quick, good the night before a test.
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6 sample questions

Question 1.
What type of change occurs when ice melts?
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Consider whether a new substance is formed.
Question 2.
Is cooking a chemical or physical change?
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Think about whether it transforms the ingredients.
3Question 3.
What type of change occurs when rust forms on iron?
- Physical Change
- Chemical Change
- Physical and Chemical Change
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Recall that chemical changes involve new substance formation.
4Question 4.
True or False: Melting chocolate is a chemical change.
- True
- False
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Consider if the substance keeps its identity.
Question 5.
Given the following scenarios, identify whether they are physical or chemical changes: burning wood, breaking a glass, boiling water, and rusting a car.
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Consider if new substances are formed.
Question 6.
If an ice cube melts and then refreezes, can you describe what physical change occurs and its significance in everyday life?
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Think about how phase changes relate to real-world applications.

5 more questions in this section. Enroll free to practise them all.