Cutting onions irritates the eyes because onions contain a type of sulfurous oil. The fumes of the onion mix with the water in the eyes to create sulfuric acid, causing the eyes to tear. Keep learning on MSN Encarta.
Cutting onions irritates the eyes because onions contain a type of sulfurous oil. The fumes of the onion mix with the water in the eyes to create sulfuric acid, causing the eyes to tear. Keep learning on MSN Encarta.