Which of these properties 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
The answer is B) aluminum is a good conductor of heat. For the other three choices, they all say the properties when aluminum reacts with other molecules, they are called chemical property.