Which of these is an example of a physical property?
A. Sodium ignites when placed in water.
B. Iron combines with oxygen to rust.
C. Sodium metal is soft and malleable.
Answer (2)
A physical property is a characteristic that can be observed without changing the substance's identity. The example where sodium metal is soft and malleable illustrates this. The other examples involve chemical changes. ;
The correct example of a physical property is that sodium metal is soft and malleable. The other examples illustrate chemical properties as they involve changes in the substance's identity. Physical properties can be observed without altering a substance's chemical structure.
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