All of the Following Are Properties of Magnesium

Multiple Choice

All of the following are properties of Magnesium. Which would be considered a chemical property of magnesium?
I. Magnesium burns in air to produce a white substance known as magnesium oxide.
II. Magnesium dissolves in acidic water to produce hydrogen gas.
III. The density of magnesium is 1.738 g/mL.

A) I
B) II
C) III
D) I and II
E) all of these