Chemistry

When cutting onions what is released in the air that makes a person tear?

More Questions from Chemistry
What extremely flammable gas was associated with the famous explosion of the Hindenburg airship?
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Which of the following is the list of hydrogen halides of group 7A from highest boiling point to lowest?
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The Sun makes up 99.86% of the mass of what?
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What is the main active chemical in marijuana?
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What is the chemical symbol for lead?
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What is the usual ounce capacity of a jigger?
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What actinide was once used to power pacemaker batteries, but has since been replaced?
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Which three gas laws constitute the combined gas law (PV/T=pv/t)?
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