*CHEMISTRY* *WILL GIVE BRAINEST*

Air will expand about the same amount as propane with the same change in temperature over ordinary temperature ranges.
O True
O False

The answer for this question is d. none of these

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).