Exercises
Author:S K Jain & Shailesh K Jain
S K Jain Science Solutions for Exercises
Simple step-by-step solutions to Exercises questions of Air Around Us from Science Based on the Rationalised NCERT Content. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Exercises with Hints & Solutions
MEDIUM
6th CBSE
IMPORTANT
The ratio of nitrogen to oxygen in the air is

MEDIUM
6th CBSE
IMPORTANT
Oxygen in the air is produced through the process of

MEDIUM
6th CBSE
IMPORTANT
Excess concentration of which constituent of air makes it unfit for breathing?

MEDIUM
6th CBSE
IMPORTANT
Which of the following statements is not correct?

MEDIUM
6th CBSE
IMPORTANT
Which of the following is called dry ice?

MEDIUM
6th CBSE
IMPORTANT
The quantity of which of the following component in the air varies from place to place?

MEDIUM
6th CBSE
IMPORTANT
Which option correctly matches the given columns?
Column I | Column II |
A. Moisture content in the air | (i) |
B. Troposphere | (ii) |
C. Chemical formula of carbon dioxide | (iii) Atmospheric air |
D. Nitrogen : Oxygen ratio | (iv) Humidity |

MEDIUM
6th CBSE
IMPORTANT
Air is a _____ mainly containing oxygen, nitrogen and argon.
