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why do onions make me cry?

For discussing the functions of different structures of all organisms.

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why do onions make me cry?

Postby fireblaze » Sun Jul 23, 2006 1:50 pm

why do onions make me cry?
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Postby kiekyon » Sun Jul 23, 2006 2:17 pm

i believe it is because of the sulfur content of the onion
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Postby fireblaze » Sun Jul 23, 2006 11:19 pm

could you explian how sulphur causes onion tears
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Postby saadia » Tue Aug 01, 2006 7:49 am

does it has any link wd the sensitivity of ur eyes?
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Postby mith » Tue Aug 01, 2006 4:05 pm

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Postby Condraz23 » Sat Aug 05, 2006 10:26 am

I'm not quite sure, but I think it's due to chemical reactions that occur once the onion is cut open. The chemical reactions produce sulfur compunds which react with the lining of your eye, to produce a mild concetration of sulfuric acid. Then again, I might be wrong.
Last edited by Condraz23 on Mon Jun 04, 2007 11:36 am, edited 1 time in total.
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Postby fireblaze » Mon Aug 07, 2006 8:04 pm

yes you are right a low concentration of sulphuric acid is produced on the eye, this is irritant.
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