Question

Why is air a pure substance?

Answer 1

Air isn't considered a pure substance

Step-by-step explanation:

Because there is no one single chemical element of compound that forms air. Air is a mixture of various purechemical substances, most of which exist in the gaseous state.

Answer 2

Answer:It isn’t

Step-by-step explanation:

Air isn't considered a pure substance because there is no one single chemical element of compound that forms air. Air is a mixture of various pure chemical substances, most of which exist in the gaseous state.