Answer: Option (C) is the correct answer.
Step-by-step explanation:
A change is which leads to change in chemical composition of the substance is known as a chemical change.
For example, a freshly cut apple turns brown this is because an oxidation reaction has occurred due to which there occurs change in chemical composition of the apple.
Whereas a change which which does not lead to any change in chemical composition of a substance is known as a physical change.
For example, cutting a bar of sodium metal into pieces with a knife doesn't changes its chemical composition because cutting it into two halves will only change its size.
Thus, we can conclude that out of the given options a freshly cut apple turns brown is a chemical change.