EASY
7th ICSE
IMPORTANT
Earn 100

Which of the following is an inert gas:

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Important Questions on Air and Atmosphere

EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 7 - Air and Atmosphere>EXERCISES>Q 13
Which of the following causes acid rain:
EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 7 - Air and Atmosphere>EXERCISES>Q 1
The ozone layer absorbs the sun's harmful ultraviolet rays.
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 7 - Air and Atmosphere>EXERCISES>Q 2
Nitrogen dilutes the activity of oxygen.
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 7 - Air and Atmosphere>EXERCISES>Q 3
During lightning, nitrogen combines with oxygen to form nitrogen dioxide.
EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 7 - Air and Atmosphere>EXERCISES>Q 4
Rhizobium bacteria are present in the root nodules of leguminous plants.
EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 7 - Air and Atmosphere>EXERCISES>Q 5
Carbon dioxide does not support combustion.
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 7 - Air and Atmosphere>EXERCISES>Q 6
The more the amount of water vapour in the air, the lower the humidity.
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 7 - Air and Atmosphere>EXERCISES>Q 7
Dust, smoke and fly ash are suspended particulate matter.