Answer:
c. The rusting of the joints of a metal children’s swing set.
Step-by-step explanation:
By definition, chemical property describes the ability of a substance to undergo a specific chemical change.
In the definition above, the key words are; "Chemical change".
Generally, chemical changes are irreversible. This means we just have t observe the options and pick the one that contains an irreversible change.
Upon doing ths, the correct option is;
c. The rusting of the joints of a metal children’s swing set.
This is because rusting is a chemical change and is irreversible.