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CHEMISTRY

Chemistry
Air shows the property of

Both A and B
O2
None of these
N2

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Chemistry
The most abundant constituent of atmospheric air is :

Nitrogen
Oxygen
Carbon
Hydrogen

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Chemistry
The percentage of oxygen in air is approximately

0.01
0.78
1
0.21

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Chemistry
The percentage of Nitrogen in Air is

0.03
78.03
0.94
85.02

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Chemistry
Air is said to be saturated when :

It blows over the barren land
Its pressure is minimum
It contains maximum content of water vapour
Its thickness is maximum

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