Question

PLEASE HELP

A liquid boils at 120°C until it all evaporates, leaving an empty container. What is most likely true about the liquid?
A:The liquid had two freezing points
B:The liquid was a mixture.
C:The liquid was a pure substance.
D:The liquid contained water.

Answer 1

C. i mean its the only one that makes sense. 

Answer 2

C: The liquid was a pure substance.