Neither. It is a mixture.
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.
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.
The air you are breathing is a mixture of different gases. These main gases are nitrogen, carbon dioxide and oxygen.
The air we breath is a mixture, with the largest component being nitrogen.
Air is a mixture of nitrogen, oxygen, argon, noble gases etc.
Air is a mixture of gases.
Mixture
no its a pure substance, carbon
Salt water is a solution.
water is a pure substance.
Nitrogen (N) is a chemical element, not a solution; nitrogen can be obtained as a very pure gas.
Air is not a pure substance.
No. Pure water is a compound, which is a pure substance. A saltwater solution is a mixture of water and salt, and is not a pure substance.
A salt solution is a homogeneous (uniform) mixture of salt and water, and is not a pure substance.
it is not pure neither is it a REAL solution...it is an aerosol
Mixture
A solution.
solution
no its a pure substance, carbon
It should be a "pure" substance, but its really an alloy.
is aluminum can a substance or solution or mechanical
is aluminum can a substance or solution or mechanical
Salt water is a solution.