Four- fifths by weight of air is nitrogen.

True

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False

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Solution

The correct option is B False
Air is a combination of nitrogen, oxygen, carbon dioxide, water vapors, and a few other gases.
Dry air includes 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of different gases.
Thus, three-fourths of the weight of air is nitrogen.
Hence, the given statement is false.

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