Consider the following gases - 1. Neon 2. Ozone 3. Helium 4. Hydrogen – McqOptions

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1.	Consider the following gases - 1. Neon 2. Ozone 3. Helium 4. Hydrogen What is the correct sequence of these atmospheric gases in descending order of their percentage of volume-
A.	1,3,2,4
B.	2,3,1,4
C.	1,2,3,4
D.	3,2,4,1
Answer» B. 2,3,1,4

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