MEDIUM
7th ICSE
IMPORTANT
Earn 100

Give reaction of oxygen with:

  • Potassium

Important Questions on Air and Atmosphere

MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 7 - Air and Atmosphere>EXERCISES>Q 11

Give reaction of oxygen with:

  • Calcium
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 7 - Air and Atmosphere>EXERCISES>Q 11

Give reaction of oxygen with:

  • Nitrogen
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 7 - Air and Atmosphere>EXERCISES>Q 12
Write the similarities between rusting and combustion.
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 7 - Air and Atmosphere>EXERCISES>Q 13
Write the difference between combustion and respiration.
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 7 - Air and Atmosphere>EXERCISES>Q 14
Explain suspended particulate matter.
HARD
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 7 - Air and Atmosphere>EXERCISES>Q 15
Write some ways of controlling air pollution.
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 7 - Air and Atmosphere>EXERCISES>Q 16
Write some physical properties of oxygen.
HARD
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 7 - Air and Atmosphere>EXERCISES>Q 17
What is acid rain? Write some harmful effects of acid rain.