Final answer:
The change in the volume of the oxygen gas from 10 mL to 11 mL is a physical change, as it only involves a change in the physical property without altering the chemical composition.
Step-by-step explanation:
The volume change of a sample of oxygen gas from 10 mL to 11 mL as the temperature changed is an example of a physical change.
A physical change refers to a change in the physical properties of a substance, such as its size, shape, or state of matter, without altering its chemical composition.
In this case, the volume of the oxygen gas increased, which means the size of the gas sample changed. However, the oxygen gas itself did not undergo any chemical reaction or change in its composition.