Question

Why a person feels difficult in cutline an onion with a blunt khife

Answer 1

when we cut an onion, it releases a chemical called syn-propanethial-S-oxide which stimulates the eyes' lachrymal glands so they release tears.

Answer 2

because there is a acid ''sulfenic acid''.

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when we cut onion this acid come outside from the onion and reacts with atmosphere and that acid comes to our eyes and then again reacts with our eye's acid. which causes burning in eyes.

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