alleryStart learning →What percentage of dry air is nitrogen?
A21%
B50%
C78%
D99%
Answer & Solution
Correct answer: C. 78%
Dry air is about 78 percent nitrogen by volume.
Keep practising p-Block Elements (Groups 15-18)
Browse all p-Block Elements (Groups 15-18) questions for AP EAMCET, or explore more Chemistry topics.
Related questions
Why are noble gases chemically unreactive?How does ionisation energy vary down group 18?Which noble gas compound was formed in 2000 at 40 K, the first stable argon compound?Who predicted in 1933 that heavier noble gases could form fluorine and oxygen compounds?Which noble gas element is an s-block element?Which group number was once given to the noble gases because of zero valence?Argon is used as what gas in welding?Which force keeps noble gas atoms together in the liquid state?