Composition and Structure of Atmosphere — Important Questions
ICSE · Class 11 · Geography
64 important questions from Composition and Structure of Atmosphere for ICSE Class 11 Geography, with answers.
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Important Questions from Composition and Structure of Atmosphere
What is the percentage of oxygen in atmospheric volume?
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20.99%
Oxygen constitutes 20.99% of atmospheric volume.
Which gas is called the life-giver of the atmosphere?
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Oxygen
Oxygen is called the life-giver because it is essential for breathing and burning.
What is the percentage of carbon dioxide in the atmosphere?
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0.04%
Carbon dioxide forms just 0.04% of the atmosphere.
Which two non-gas constituents of the atmosphere are named in the chapter?
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Water vapour and dust particles
Apart from gases, the atmosphere contains water vapour and dust particles.
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