Question

While cutting onions our tears start flowing give reason

Answer 1

The onion cells contain some special Sulphur compound. When those cells are cut then these compounds get mixed in the air. When it reaches eyes the confound causes irritation and ultimately tears come from our eyes.

Answer 2

Answer:

Yes, while cutting onions our tears start following.

Explanation:

• The the cells of onion contains amino acids like mithionine and enzyme cystine. They are kept separate in the onion cells.
• When we cut the onion, enzymes start mixing and produce propanethiol.Sulphur oxide, which is a volatile compound that starts moving towards our eyes.
• The gas that is emitted reacts with the water of our eyes and forms sulphuric acid.
• The sulphuric acid does produced causes burning sensation in our eyes and this in turn leads to the tear glands secreting tears.
• Thus we end up with watery eyes everytime when cut onions .

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