Question

The table shows the boiling points of some of the gases present in air.
When air is cooled to -200°C, some of these gases liquefy. Which gases liquefy?
a. argon, helium, neon
b. argon, nitrogen, oxygen
c. helium, neon, nitrogen
d. helium and neon ​

Answer 1

Answer:

option b is correct✔.

argon, nitrogen, oxygen