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Questions and Answers
What type of changes affect the form of a chemical substance but not its chemical composition?
What type of changes affect the form of a chemical substance but not its chemical composition?
- Environmental changes
- Physical changes (correct)
- Biological changes
- Chemical changes
Which type of change involves the composition of a substance changing to form new substances?
Which type of change involves the composition of a substance changing to form new substances?
- Physical change
- Thermal change
- Chemical change (correct)
- Mechanical change
What is an example of a physical property?
What is an example of a physical property?
- Decomposing
- Burning
- Rusting
- Melting (correct)
What is an example of a physical change?
What is an example of a physical change?
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Is reversibility a certain criterion for classifying physical changes?
Is reversibility a certain criterion for classifying physical changes?
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