Question

the critical pressure is the pressure that must be applied to the gas at the ______ in order to turn it into a liquid. a critical point b critical temperature

Explanation:

The critical pressure is defined as the pressure required to liquefy a gas at its critical temperature. The critical point is a combination of critical temperature and critical pressure. Here, the context of the sentence is about the pressure applied at a certain temperature (to turn gas into liquid), which aligns with the definition related to critical temperature.

Answer:

B. Critical temperature