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WorksheetsComposition of air
Total questions: 15
Worksheet time: 10mins
What is the percentage composition of nitrogen in air?
78%
75%
86%
The composition of air consists of __________ key components.
seven
three
ten
__________________ is the most important gas in the composition of air.
Nitrogen
Argon
Oxygen
All animals breathe
Carbon dioxide
Oxygen
___________________ is used to make fire extinguishers.
Nitrogen
Silicon
Oxygen
________% Dust particles are present in air
1
10
50
100
short answer question- in how many parts is composition of air separated
(a)
Which of the following is present in large amount in the air?
Water vapour
Carbon dioxide
Nitrogen
Dust
Trees take ____ gas from surrounding
Oxygen
Carbon dioxide
What should we wear to allow clean air to enter our nose?
Overcoat
Umbrella
Jacket
Mask
How was the flip class session
Excellent 🤩
Very Good 😊
Good😀
Fair😕
Poor😖
What is composition of air?
Write 3 key words
What is difference between carbon dioxide and nitrogen
What creates water pollution ??
(a)
