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Questions and Answers
Which of the following best describes a physical change?
Which of the following best describes a physical change?
- Change in density (correct)
- Formation of a new substance
- Transition from solid to gas
- Change in chemical composition
What is an example of a physical property?
What is an example of a physical property?
- Change in durability
- Formation of crystals
- Melting of a substance
- Change in color (correct)
How can salt dissolved in water be recovered?
How can salt dissolved in water be recovered?
- By adding more salt to the solution
- By allowing the water to evaporate (correct)
- By forming a new compound
- By freezing the solution
What distinguishes a physical change from a chemical change?
What distinguishes a physical change from a chemical change?
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Which process involves a physical change?
Which process involves a physical change?
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