1.

What do asthma patients use for respiration?(a) O2 and H2(b) O2 and He(c) O2 and Ar(d) O2 and NeI had been asked this question in an interview for internship.This interesting question is from P-Block Elements topic in portion P-Block Elements of Chemistry – Class 12

Answer»

The correct choice is (B) O2 and He

The best I can explain: Helium-Oxygen (80:20 or 70:30) mixture provides a dramatic benefit for asthma patients with severe EXACERBATIONS. Helium is about 10% as dense as ROOM air and, consequently, travels more EASILY down narrowed PASSAGES.



Discussion

No Comment Found

Related InterviewSolutions