Air and Atmosphere

Air and Atmosphere
A blanket of gases surrounding the planet is known as
ozone
temperature
season
atmosphere
Author: rikazzz Comment
Air and Atmosphere
The chemical formula of ozone is
O3
O2
O4
O5
Author: rikazzz Comment
Air and Atmosphere
The state that fills the volume of its container is
semi liquid
solid
gas
liquid
Author: rikazzz Comment
Air and Atmosphere
Earth’s atmosphere extends hundreds of kilometers above the
surface
planet
atmosphere
sky
Author: rikazzz Comment
Air and Atmosphere
Air present in 100cm3 of water is about
2cm3
3cm3
4cm3
5cm3
Author: rikazzz Comment
Air and Atmosphere
In respiration, living organisms take in oxygen and give out
water vapor
argon
carbon dioxide
nitrogen
Author: rikazzz Comment
Air and Atmosphere
On cooling, a liquid will be changed into
dense
solid
semi-solid
liquid
Author: rikazzz Comment
Air and Atmosphere
The major use of nitrogen is production of
acid
ammonia
nitrate
sulphate
Author: rikazzz Comment
Air and Atmosphere
Respiration takes place at/in
all of these
night
day time
evening
Author: rikazzz Comment
Air and Atmosphere
The layer that blocks the ultraviolet (UV) rays from the sun is
top layer
inner layer
ozone layer
outer
Author: rikazzz Comment

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