Which of the following is a chemical property? Select one: a. The air pressure at sea level is higher than that in Denver, Colorado. b. Water boils at 100°C. c. The rusting of the joints of a metal children’s swing set.

c. The rusting of the joints of a metal children’s swing set.

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.

the increase of protons   hope this

he would use the colour black