Q743
Atmospheric concentration of argon
A.
0.01%
B.
0.93%
AnswerC.
0.09%
D.
0.1%
Answer: Option B
Solution
Answer: Option B
Solution:
Our Earth's atmosphere is composed of about 78% nitrogen, 21% oxygen, 0.9 % argon and 0.1% of all other gases like carbon dioxide, methane, water vapour and neon.Argon is the third most abundant noble gas in the earth’s atmosphere at 0.934%.