Percentage of nitrogen and oxygen in the air is ____ respectively.

70% and 30% approx

No worries! We‘ve got your back. Try BYJU‘S free classes today!

80% and 20% approx

No worries! We‘ve got your back. Try BYJU‘S free classes today!

78% and 21% approx

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

60% and 40% approx

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C
78% and 21% approx

Air is a mixture of many gases. It is primarily composed of approx 78% nitrogen and 21% oxygen with only small concentration of other gases such as carbon dioxide and argon.

Suggest Corrections

Similar questions

Q. Half-life of a substance is

20

min. then the time between

33

% decay and

67

% decay will be (approx)

Q. Estimate the wavelength at which plasma reflection will occur for a metal having the density of electrons

N \approx 4 \times 10^{27} m^{- 3}

. Take

ε_{0} \approx 10^{- 11} and m \approx 10^{- 30},

where these quantities are in proper SI units

Q. A displacement

s

v/s time

t

curve of a particle is shown in the figure. The maximum instantaneous velocity

v_{m}

of the particle is around the point

There is a video on youtube, shot from the elevator in the Burj Khalifa and it shows time as start from the ground floor and reaches the 120th floor(approx) in 1 minute(approx). Does that mean that the velocity of the elevator throughout the journey, then is definitely 2 floors/sec(approx)?

Join BYJU'S Learning Program

Percentage of nitrogen and oxygen in the air is ____ respectively.

The correct option is C 78% and 21% approx Air is a mixture of many gases. It is primarily composed of approx 78% nitrogen and 21% oxygen with only small concentration of other gases such as carbon dioxide and argon.

The correct option is C
78% and 21% approx

Air is a mixture of many gases. It is primarily composed of approx 78% nitrogen and 21% oxygen with only small concentration of other gases such as carbon dioxide and argon.