HARD
6th CBSE
IMPORTANT
Earn 100

Match the following.

Column A Column B
1) Nitrogen a. Interdependent in nature
2) Oxygen b. Carbon dioxide
3) Photosynthesis c. Decreases on heating
4) Windmill d. 21% of air
5) Plants and animals e. Run flour mills
6) The solubility of air in water  f. 78% of air

 

Important Questions on Air Around Us

EASY
6th CBSE
IMPORTANT
Name the gas that supports burning? (Nitrogen/ Oxygen)
MEDIUM
6th CBSE
IMPORTANT
Name the gas used by plants to prepare food? (Oxygen / Carbon dioxide / Nitrogen)
MEDIUM
6th CBSE
IMPORTANT
Which gas in the atmosphere is necessary for respiration? (Carbon dioxide/ Oxygen/ Nitrogen)
EASY
6th CBSE
IMPORTANT
Name the component(s) of air present in the variable amount?
MEDIUM
6th CBSE
IMPORTANT
How do underground animals get oxygen?
MEDIUM
6th CBSE
IMPORTANT
Define the atmosphere. Name the gases present in the atmosphere?
MEDIUM
6th CBSE
IMPORTANT

Priyanka, with her mother, visits the hospital to meet her sick uncle. While talking, her uncle feels some breathing problems. Priyanka, immediately, calls the doctor who arranges oxygen for the patient that saves his life. 
How does the doctor provide extra oxygen to Priyanka's uncle?