The contents of a large, unlabeled can are tested. The contents of the can do not dissolve in water. When placed in acid, the content can bubble and odor is produced based on this information only which one of the following conclusions can be made? (Act 3)

A. The can contains a liquid
B the can contains a gas
C. The Flammability of the solid
D. The mass of the solid

B. the can contains a gas