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10 questions
Air is not present in
Building
Ocean
Vaccum
Caves
Statement 1: Mountaineers carry oxygen cylinders with them while climbing high mountains.
Statement 2: The percentage of oxygen in the air decrease with increasing altitude.
Statement 1 is true and statement 2 is the correct explanation
Both statements are true
Statement 1 is true and statement 2 is false
Statement 1 is false and statement 2 is true
Statement 1: Police regulating traffic at a crowded crossing often wear a mask.
Statement 2: Mask filters carbon dioxide and sends pure oxygen inside
Both Statements are true
Both statements are false
Statement 1 is false and statement 2 is true
Statement 1 is true and statement 2 is false
Choose the odd one out
Rustling of leaves
Driving a car
Flying of kite
Blowing away of a newspaper
Arrange the following in descending order according to their percentage:
Nitrogen, Argon, Carbon dioxide, Oxygen
Nitrogen > Argon > Oxygen > Carbon dioxide
Nitrogen > Oxygen > Argon > Carbon dioxide
Oxygen > Carbon dioxide > Nitrogen > Argon
Argon > Carbon dioxide
Which of the following gas helps in burning?
Nitrogen
Oxygen
Carbon dioxide
Water vapour and Argon
Wind is
air around us
rising hot air
air in motion
none of these
The ratio of nitrogen to oxygen in the air is
1:4
4:1
3:1
1:2
Which is not a property of air?
It occupies space
It is transparent
It is a solution.
It is a compound.
Makes three fourth part of total air.
Nitrogen
oxygen
Argon
Water Vapour
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