Question

how is air considered a mixture?

Answer 1

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Air is considered as mixture because it is a mixture of different gasses like Nitrogen, Oxygen and other gases.

Answer 2

Answer:

Mixtures can be either homogeneous or heterogeneous. A mixture in which its constituents are distributed uniformly is called homogeneous mixture, such as salt in water. A mixture in which its constituents are not distributed uniformly is called heterogeneous mixture, such as sand in water.

One example of a mixture is air. Air is a homogeneous mixture of the gaseous substances nitrogen, oxygen, and smaller amounts of other substances. Salt, sugar, and many other substances dissolve in water to form homogeneous mixtures. A homogeneous mixture in which there is both a solute and solvent present is also a solution. Mixtures can have any amounts of ingredients.

Mixtures are unlike chemical compounds, because:

The substances in a mixture can be separated using physical methods such as filtration, freezing, and distillation.

There is little or no energy change when a mixture forms.

Mixtures have variable compositions, while compounds have a fixed, definite formula.

When mixed, individual substances keep their properties in a mixture, while if they form a compound their properties can change.[8]

The following table shows the main properties of the three families of mixtures and examples of the three types of mixture.

Explanation:

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