Question

Q2. When liquid air is heated then out of argon, nitrogen and oxygen:
a) Nitrogen evaporates first then argon.
b) Oxygen evaporates first then argon.
c) Argon evaporates first then oxygen.
d) Nitrogen evaporates first then oxygen.​

Answer 1

Answer:

nitrogen than argon

Explanation:

Nitrogen has boiling point of -196 oC which is the lowest and argon has boiling point of -186 oC which second lowest for all above elements.

Answer 2

Answer:

nitrogen evaporates first then argon