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Questions and Answers
What is a physical change?
What is a physical change?
- A change involving the formation of new substances
- A change affecting the chemical composition of a substance
- A change affecting the form of a substance without altering its chemical composition (correct)
- A change involving the rearrangement of atoms
Which property is NOT an example of a physical property?
Which property is NOT an example of a physical property?
- Formation of new compounds (correct)
- Formation of crystals
- Melting
- Ability to maintain a sharp edge
What distinguishes a physical change from a chemical change?
What distinguishes a physical change from a chemical change?
- Change in volume
- Formation of crystals
- Change in chemical composition (correct)
- Reversibility using physical means
Which of the following is an example of a physical change?
Which of the following is an example of a physical change?
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What is a characteristic of many chemical changes?
What is a characteristic of many chemical changes?
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