Boiling point refers to the temperature at which the pressure of the liquid (that is being boiled) becomes equal to its surrounding pressure which causes it to change to vapor.
- Physical change refers to the changes that occur when the material that is changed is structurally similar both before and after the change.
- Chemical change occurs when the material is transformed into a different chemical substance.
- Physical property of a substance refers to those properties of a substance that are measurable and describes the state of a physical system.
- Chemical property refers to the property of a substance that is observed in a chemical reaction.
The increase in pressure with boiling point is an example of the physical property as it shows the physical state of the system.
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