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Questions and Answers
What defines a physical property?
What defines a physical property?
- A property that can alter the composition of a material
- A trait that can be observed without changing the material (correct)
- An attribute that is exclusively determined by temperature
- A characteristic measurable by chemical reactions
Which of the following is NOT a method to observe a physical property?
Which of the following is NOT a method to observe a physical property?
- Using sight to determine color
- Tasting to identify flavor constituents
- Conducting a chemical reaction to display changes (correct)
- Measuring density with a balance scale
Which of the following options is an example of a physical property?
Which of the following options is an example of a physical property?
- Melting point (correct)
- Toxicity
- Flammability
- Reactivity with acids
Which of these scenarios demonstrates the observation of a physical property?
Which of these scenarios demonstrates the observation of a physical property?
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Why is 'color' considered a physical property?
Why is 'color' considered a physical property?
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Study Notes
Physical Properties
- These are characteristics of a substance that can be observed or measured without changing the substance's chemical composition.
Measuring Physical Properties
- Methods include:
- Observing
- Measuring
- Testing
Examples of Physical Properties
- Color
- Density
- Boiling point
- Melting point
- Hardness
- Malleability
- Ductility
- Conductivity
- State of matter (solid, liquid, gas)
Observing Physical Properties
- Scenarios that demonstrate observation:
- Observing the color of a substance
- Measuring the mass of a substance
- Determining the boiling point of a liquid
Color as a Physical Property
- It can be observed without changing the substance's chemical composition.
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