Home
Class 12
CHEMISTRY
Percentage of O2 by volume in the atmosp...

Percentage of `O_2` by volume in the atmosphere is

A

18

B

19

C

24.15

D

20.9

Text Solution

Verified by Experts

The correct Answer is:
D

Oxygen is about 21% by volume in the atmosphere.
Promotional Banner

Topper's Solved these Questions

  • THE OXYGEN FAMILY

    DINESH PUBLICATION|Exercise REVISION|143 Videos
  • THE OXYGEN FAMILY

    DINESH PUBLICATION|Exercise Selected Straight objective|34 Videos
  • THE NOBLE GASES

    DINESH PUBLICATION|Exercise Brain Teasers - 20|40 Videos
  • THE P-BLOCK ELEMENTS

    DINESH PUBLICATION|Exercise Brain Storming Multiple Choice Questions (McQs)|9 Videos

Similar Questions

Explore conceptually related problems

What is the percentage of oxygen by volume in the atmosphere?

The CO_(2) content by volume, in the atmospheric air is about

A certain volume of H_(2) effuses from an apparatus in one minute. The same volume of ozonised oxygen (O_(3)+O_(2)) mixture took 246 sec to effuse from appratus under identical conditions. Percentage of O_(2) by mole in mixture is:

The correct percentage of CO_(2) in atmosphere is

For the conversion of O_(2) to O_(3) in the atmosphere, nitric oxide is

Give the percentage of O_(2) is atmospheric and alveolar air.

The percentage of nitrogen present in earth's atmosphere is