Is air a pure substance or a solution?

Answer 1

Neither. It is a mixture.

Answer 2

Air is a mixture, with the following major constituent substances. Note that there are many more gases present in trace quantities in the atmosphere.

Nitrogen

Oxygen

Carbon Dioxide

Air is a homogenous mixture of several gases, its not a substance coz its a mixture..

Mixture of Oxygen, nitrogen, hydrogen , helium and all the inert rare gases , moisture hydrocarbons and man made chemicals are in the thousands

Click on the related link which is a Wikipedia article that has a chart the gives the atmospheric gases and their concentrations.

Answer 3

Air is not one substance, but a mixture of many gases.

The main three are 78% nitrogen, 21 oxygen, 1% argon, <<0.04% CO2 and other residuals.

1-4% water vapor is not accounted for, variable but typically present at sea-level air.

Answer 4

The air you are breathing is a mixture of different gases. These main gases are nitrogen, carbon dioxide and oxygen.

Answer 5

The air we breath is a mixture, with the largest component being nitrogen.

Answer 6

Air is a mixture of nitrogen, oxygen, argon, noble gases etc.

Answer 7

Air is a mixture of gases.