Chemistry In Everyday Life Question 160
Question: Asthma patient use a mixture of -.. for respiration
[DCE 2003]
Options:
A) $ O_2 $ and $ N_2O $
B) $ O_2 $ and $ He $
C) $ O_2 $ and $ NH_3 $
D) $ O_2 $ and $ CO $
Show Answer
Answer:
Correct Answer: B
Solution:
A mixture of $ O_2 $ and He is used for respiration as helium is inert and light gas and diffuse rapidly.