Question

At what temperature do the gas and liquid phases become
indistinguishable from each other?

Answer 1

100 C or 212 F

Step-by-step explanation:

That is the boiling point for liquid so both gas and liquid are presented.

Answer 2

Depends on the liquid you're talking about

Step-by-step explanation:

At the boiling point for a liquid is when the liquid becomes gas. For water it is 100 C