Question

Fourth-fifths by weight of air is nitrogen.

• A. True
• B. False

Answer 1

The correct option is B False

• Air is a combination of nitrogen, oxygen, carbon dioxide, water vapours, and a few other gases.
• It additionally contains dust debris.by extent, dry air includes 78.09% nitrogen(${\mathrm{N}}_2$), 20.95% oxygen(${\mathrm{O}}_2$), 0.93% argon($\mathrm{Ar}$), 0.04% carbon dioxide(${\mathrm{CO}}_2$), and small amounts of different gases.
• Three-fourths by weight of air is nitrogen.

Therefore, the given statement is false.