Only nitrogen, oxygen, argon and some minor natural components of air.
A Compound
Air (clean or dirty) is a mixture, as it contains several different gases.
nitrogen
Clean air is actually a mixture! It is made out of various elements such as oxygen, hydrogen and nitrogen.
Well if you just want to clean off the dust you can you compressed air, but if you want to clean off the thermal compound then use rubbing alcohol or acetone.
A compound is a person who make sure the compound are clean.
Yes because it has more than one gas, but we can't tell it apart, so it's not a mixture
A person who makes compound clean
To check that the compound is cleaned
Without clean air we couldn't breathe
use alcohol to clean the lens
Air is not a compound, because its chemical composition varies with time and place. Air is a mixture instead.