Question

Pls answer the question​

Answer 1

Air is regarded as a mixture because its composition may vary.

Reason:

various gases, dust particles, water vapour, microorganisms, pollen grains all present in different proportion.

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Answer 2

Answer:

Air is a mixture because in air there are many gases like nitrogen ,oxygen etc . They are not chemicaly mixed. They show all properties of substance that were in air. air is a mixture of gases like carbon dioxide , oxygen , nitrogen and other gases.

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