Question

hey friends!!!!! .....
why we cry while cutting onion...... anyone knows........

Answer 1

When we cut onion it releases a gas called Propanethiol S oxide . When mixed with enzymes in the onion , it creates a sulphur gas . These gases then get to your eyes and create a mild acid which irritates the eyes.

Answer 2

when an onion is cut,the onion cells raptures and there will be an enzyme and an acid called called amino acid sulfoxide. When the enzyme reacts with the acid it forms syn-propanethial-s-oxide.This oxide is volatile and easily evaporates.It forms a gas.As the gases can move freely they come near the eye and reacts with the substance that keeps our eyes lubricant.As it reacts it forms mild sulfuric acid.
This sulfuric acid gives a burning sensation.
Then the lacrymal gland produces a disinfecting liquid.This liquid minimise the burning sensation and comes out of out eyes.




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