Multiple choice

Which gas among the following turns into liquid at the lowest temperature?

  1. Hydrogen

  2. Oxygen

  3. Helium

  4. Nitrogen

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Helium has the lowest boiling point of any known substance, liquefying at approximately 4.2 Kelvin (-268.9 degrees Celsius). Therefore, it turns into liquid at the lowest temperature among the given gases.