Classification of Colloids - Based on Types of Particles of Dispersed Phase
Air is compos...
Question
Air is composed of 78% nitrogen and 21% oxygen. Hence, it is a compound.
A
True
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B
False
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Solution
The correct option is B False Air is a mixture and not a compound because:
1) The constituent particles of air are not chemically combined, in a fixed ratio.
2)The components of air can be separated by a physical method.