The composition of …………. in air is about 78% by volume. (A) C – InterviewSolution

1.

The composition of …………. in air is about 78% by volume. (A) CO2 (B) O2 (C) N2 (D) Ar

Answer»

Correct option is : (C) N₂

The composition of N₂, O₂ and CO₂ in air are 78%, 21% and 0.03% respectively by volume

Correct option is (C) N₂

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