Question

Is air a mixture or a compound ? Give three reasons to justify your answer.

Answer 1

Answer:

(i) Air can be separated into its constituents like oxygen, nitrogen etc. by the physical process of fractional distillation. (ii) Air shows the properties of all the gases present in it. (iii) Air has a variable composition

Explanation:

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Answer 2

Answer: mixture.

Explanation:

1. Air is a mixture because it contains many compounds in it.

2. It contains many gaseous compounds like N2 which makes 78%of it and other life sustaining gases like O2 and CO2.

3. Apart from these elemental compounds it also contains water vapour which is a liquid and solid particles which are sometimes referred as pollutants.

Hence air is not just merely a compound but a mixture.