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Why do onions cry?

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Adorable Scorbunny

Lvl 1
5y ago
Updated: 7/27/2021

Onions contain sulfur compounds (which also give them their characteristic smell). The compounds are gases and are released when onions are cut. These gases react with the water in the tears in the eyes to form other acidic compounds which irritate the eye and cause crying.

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Joesph Kling

Lvl 10
4y ago

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