Which is a physical property of aluminum?

A) aluminum rusts when it is exposed to moisture and air

B) aluminum is a good conductor of heat

C) aluminum reacts with oxygen to form aluminum oxide

D) aluminum reacts with hydrochloric acid to give off aluminum chloride and hydrogen gas

I think the correct answer from the choices listed above is option B. A physical property of aluminum is that it is a good conductor of heat. Other choices presented, describes chemical property of aluminum since it involves reaction which changes the substance into other form.