Air is heavier than oxygen.

True

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False

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Solution

The correct option is B False
Air is a mixture of gases mainly made up of Nitrogen(78%) and Oxygen(21%).
The molecular weight of oxygen is 32.
The average molecular weight of air is 29 (The molecular weight of Nitrogen is 28 and oxygen is 32).
We see that Oxygen is heavier than air.
Hence, the given statement is false.

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Similar questions

When a gas jar full the lower jar go upward into the jar containing air. In this experiment :

(a) air is heavier than bromine

(b) both air and bromine have the same density

(d) bromine cannot be heavier than air because it is going upwards against gravity

Carbon dioxide is heavier than oxygen.

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