no such thing , science doesnt exist, its all a myth , dont listen to your science teacher!!
Most of the gases in air, Nitrogen, Oxygen, Argon and others are obtained by fractional distillation of liquid air.
By fractional distillation of air.
Argon (and the other noble gases) is separated by fractional distillation of liquid air.
fractional distillation method
They normally get xenon from fractional distillation of air.
By fractional distillation of liquefied air.
From the fractional distillation of the liquid air.
By fractional distillation of liquid air.
Air components are separated by fractional distillation.
Nitrogen
Neon is obtained from air by fractional distillation.
It is made by fractional distillation of liquid air.