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Multiple Choice
Which of the following is an example of a physical property that can be observed without changing the composition of matter?
A
Flammability
B
Color
C
Ability to rust
D
Reactivity with acid
Verified step by step guidance
1
Understand that a physical property is a characteristic of a substance that can be observed or measured without changing the substance's chemical identity or composition.
Review the given options and identify which involve a chemical change (change in composition) and which do not.
Recognize that flammability, ability to rust, and reactivity with acid all involve chemical reactions that change the substance's composition, so they are chemical properties.
Identify that color is a property that can be observed directly without causing any chemical change to the substance, making it a physical property.
Conclude that among the options, color is the example of a physical property observable without changing the composition of matter.