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) CO2
B. Troposphere (ii) 4:1
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.