MEDIUM
7th ICSE
IMPORTANT
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During lightning, nitrogen combines with oxygen to form nitrogen dioxide.

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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 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.
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 7 - Air and Atmosphere>EXERCISES>Q 8
Marble cancer is caused due to acid rain.
EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 7 - Air and Atmosphere>EXERCISES>Q 1
Which of the following is necessary for burning things?
Argon, Carbon dioxide, Oxygen, Nitrogen, Helium
EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 7 - Air and Atmosphere>EXERCISES>Q 2
Which gas is given to the patients having breathing problems?
EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 7 - Air and Atmosphere>EXERCISES>Q 3
From where do the plants which live in the water get oxygen for respiration?