VPH-0083
QUESTION
Which of the following gas is found in least amount in the atmosphere?
OPTIONS
(A) Ozone
(B) Helium
(C) Hydrogen
(D) Neon
ANSWER
(C) Hydrogen
EXPLANATION
Hydrogen is present in the least amount among the gases listed in the normal atmosphere. Ozone, helium, and neon are also trace gases but occur at comparatively higher concentrations in this context.
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Veterinary Public Health and Epidemiology · 121 Questions
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