Two pure substances combine to make a new substance. The new substance cannot be physically separated and has a different boiling point than each of the original substances. This new substance can best be classified as
an atom. a mixture. an element. a compound.
Question: Two pure substances combine to make a new substance. The new substance cannot be physically separated and has a different boiling point than each of the original substances. This new substance can best be classified as
A. an atom.
B. a mixture.
C. an element.
D. a compound.
Answer: