Final answer:
The physical property of matter is its ability to dissolve in other substances.
Step-by-step explanation:
A physical property of matter refers to a characteristic that can be observed or measured without changing the chemical composition of the substance. Out of the given options, ability to dissolve in other substances is a physical property. It is a property that can be determined by conducting experiments, such as observing how a substance interacts with a solvent.
For example, if we have sugar and we can dissolve it in water, it shows the physical property of the sugar. The ability to dissolve metals (option c) and flammability (option d) are chemical properties.
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