Multiple choice

Which of the following process is used to separate the constituents of liquefied air?

  1. Crystallization

  2. Distillation

  3. Fractional evaporation

  4. None of these

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

Constituents of liquefied air (such as nitrogen, oxygen, and argon) have different boiling points and are separated on a commercial scale using fractional distillation.