Question

which gas form the liquid first as the air is cooled?​

Answer 1

Answer:

oxygen

Explanation:

If you cool it, oxygen forms liquid. Thus, it is oxygen that forms liquid first as the air is cooled. ✔When Air is cooled,Oxygen is first one to be converted into liquid form. This is because it has highest boiling point among the three.

Answer 2

Answer:

When Air is cooled,Oxygen is first one to be converted into liquid form. This is because it has highest boiling point among the three. And gases which have high boiling point can be compressed easily to give liquid form than those which have low boiling point.