Science Memes

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gottem (mander.xyz)

submitted 7 months ago by [email protected] to c/[email protected]

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[–] [email protected] 2 points 7 months ago* (last edited 7 months ago)

Onions spew enzymes and sulfenic acid when their skin is broken. These compounds combine to produce propanethial S-oxide, an irritating gas.

Propanethial S-oxide is a lachrymatory agent, meaning that it generates tears when it touches the eye. Propanethial S-oxide turns into sulfuric acid when it touches the water layer that covers and protects your eyeballs.

Source

I'm not a chemistry guy though.