Question

During separation of the components of air The gas which separate out first in the form of solid, is
A) carbon dioxide
B) argon
C) oxygen
D) nitrogen

Answer 1

Answer: A) Carbon dioxide

Explanation:Argon is a noble (or inhert) gas, hence it is unreactive and is easily separable. But then Argon can only in the form of gas, as it's boiling point is very low. Carbon dioxide can be solidified with ease, hence Carbon dioxide is first separated in the form of solid.

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