Final answer:
Fractional distillation is used to separate air components based on boiling points. Gases can easily mix to form homogeneous mixtures. Air is a homogeneous mixture at a molecular level and cannot be separated easily by mechanical means.
Explanation:
Fractional distillation is a method to separate components of a mixture based on their differing boiling points. In the case of air, fractional distillation can be used to separate its components like nitrogen, oxygen, and other gases. This process takes advantage of the different boiling points of each gas to achieve separation.
Gases mix with each other easily, forming homogeneous mixtures. The composition of gas mixtures can be determined, and properties of the mixture can be analyzed once the composition is known.
While air is a mixture of gases, it is a homogeneous mixture at a molecular level. It cannot be separated easily by simple mechanical means due to the intimate mixing of its components.
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