Question

Which of the following is a chemical property of iron.

The melting point of iron is 1536 degrees Celsius.
The boiling point of iron is 3000 degrees Celsius.
Iron has a hardness of 4-5.
Iron rusts when exposed to water and oxygen.

Answer 1

D

Step-by-step explanation:

Answer 2

Iron rusts when exposed to water and oxygen.

Step-by-step explanation:

Ths other options have nothing to do with chemical properties.

Iron rusts via a process called oxidation which is a chemical reaction.