MDCAT Chemistry MCQ #4311

A gas is stored in a cylinder at room temperature. Which gas cannot be liquefied by applying pressure under normal conditions?

MDCAT Chemistry MCQ #4311

  1. Question 1

    Q1. A gas is stored in a cylinder at room temperature. Which gas cannot be liquefied by applying pressure under normal conditions?

    • A) CO2
    • B) NH3
    • C) O2
    • D) SO2

    Answer: O2

    Explanation: O2 has a critical temperature below room temperature. CO2 and NH3 can be liquefied under normal pressure.