Argon is the third largest constituent of air (followed by N2 & O2). Its percentage by volume in air is___________________? | MCQ Hive

Chemical Engineering

Q Argon is the third largest constituent of air (followed by N2 & O2). Its percentage by volume in air is___________________?

A A. 0.14
B B. 0.34
C C. 0.94
D D. 1.4

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