Which of the following gases is lighter than air?
1 Carbon dioxide
2 Oxygen
3 Ammonia
4 Chlorine
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Answer / vijay
Air is mainly Nitrogen which is having molecular wt. 28.
Ammonia only has M.W. less than this (17). So this one is
lighter than air
| Is This Answer Correct ? | 22 Yes | 2 No |
Answer / francis ekop
Co2 is lighter than air because it's has de less molecules in the atmosphere
| Is This Answer Correct ? | 2 Yes | 1 No |
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