M Prep | MCAT 2015 Question of the Day - Prep, Practice Questions, and More!

Q:	A phase diagram of a newly discovered substance is constructed. For this diagram, it is found that the line that separates solid and liquid forms is perfectly vertical (i.e. has no slope). Which of the following can be deduced regarding the substance?

The solid form will float on top of the liquid form

The liquid form will float on top of the solid form

At increased pressure, the substance will tend to the solid form

Densities of liquid and solid form are the same