Why does an onion make my eyes burn?

When I cut an onion why do my eyes burn?

The gas released when you cut an onion mixes with the salt water in your tears and makes a mild acid that burns your eyes.

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1 comment to Onion

  • Thanks very much for that! My dad recently harvested a garden full of tomatoes before the winter really set in, and I found myself the proud owner of two or four buckets worth! Of course I couldnt eat them all like that, but I did find a website full of even more tomato recipes here. A whole website dedicated the topic!! Crazy what you can find on the internets these days!!

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