Asked by Jaziya | 29th Jun, 2009, 03:41: PM
The onion contains some substances which contain sulfur. Sulfur is an irritant to both our noses and to our eyes. Cutting an onion releases these sulfur compounds. When these sulfur compounds come in contact with the water in our eyes, they produces sulfuric acid.
Sulfuric acid irritates the eyes. In response to this acid, our eyes automatically blink, and produce tears which wash the eye and flush out the acid.
Answered by | 30th Jun, 2009, 11:13: PM
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