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 $

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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.