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The "air" inside is actually Nitrogen whichkeepsthe chips from going stale. Nitrogen also hinders thegrowthof bacteria and other germs. The air gives acushioningeffect to the chips. Without which you will justreceivepowder in a bag.
Beside this, why are packets of chips filled with nitrogen and not air?
Potato chips packets are filledwithair but with NITROGEN GAS.This is done topreventOxidising which ultimately results in stale .Oxygen is averyreactive gas and it's molecules react with air, moistureandresult in staling of food .Since nitrogen is lessreactivethan oxygen hence the packets arefilledwith
Correspondingly, what air is in crisp packets?
The secret ingredient that you refer to as airisactually nitrogen gas. Regular air contains all kindsofparticles, including oxygen and water vapor, both of whichwillcause the chips to rapidly decay. So food manufacturersdisplacethe oxygen and water vapor with nitrogen to make thefoodmore shelf stable.
In fact, the bags don't containoxygen.They're filled with nitrogen. Oxygen wouldquicklyturn the chips rancid. The nitrogen preserves thefreshnessof the chips, prevents combustion, and createssufficientcushioning during shipping so the chips don'tgetcrushed.