MDCAT Chemistry MCQ #4277

MDCAT Chemistry MCQ #4277

1. Question 1

   Q1. The critical temperature of a gas is the temperature

   • A) above which it cannot be liquefied
   • B) below which it cannot be liquefied
   • C) at which its vapor pressure is maximum
   • D) at which its density is maximum

   Answer: above which it cannot be liquefied

   Explanation: Critical temperature is the maximum temperature at which a gas can be liquefied; above it, liquefaction is impossible.