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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?
Which type of change involves the formation of new substances?
Which type of change involves the formation of new substances?
What is an example of a reversible change using physical means?
What is an example of a reversible change using physical means?
Which property does not typically change in a physical change?
Which property does not typically change in a physical change?
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What are examples of physical properties that can change during a physical change?
What are examples of physical properties that can change during a physical change?
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Study Notes
Changes in Chemical Substances
- Physical changes affect the form of a chemical substance but not its chemical composition.
- Chemical changes involve the formation of new substances.
Properties of Physical Changes
- Chemical composition typically remains the same in a physical change.
- Examples of physical properties that can change during a physical change include:
- State (solid, liquid, gas)
- Shape
- Size
- Texture
Reversible Changes
- Melting of ice is an example of a reversible change using physical means (heating/cooldown).
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Description
Test your knowledge of physical changes with this quiz! Identify examples of physical changes, understand how they differ from chemical changes, and learn about their applications in separating mixtures.
