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The lightest gas on earth is ?
Question

The lightest gas on earth is ?

A
Hydrogen

B
Oxygen

C
Helium

D
Chlorine

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Text SolutionText solutionverified iconVerified

Answer:- (A) Hydrogen
Explanation:-
Hydrogen, most abundant in the universe, is the chemical element with atomic number 1, and an atomic mass of amu, the lightest of all known elements. It exists as a diatomic gas . Hydrogen is the most abundant gas in the universe.
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Question Text
The lightest gas on earth is ?
Answer TypeText solution:1
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