Question

which gas forms the liquid first as air is called?​

Answer 1

Answer:

the gas form the liquid first as air is called vapour form.

Answer 2

Your Question :-

which gas forms the liquid first as air is called?

Your Answer :-

Oxygen is well known to have a higher boiling point than other gases. If you cool it, oxygen forms liquid. Thus, it is oxygen that forms liquid first as the air is cooled.