Please tell your teacher and also report it at the main office and see the nurse.
sodium
paradichlorobenzine or napthalene.
butyric acid
Whether they give off a sweet smell or not, baking is a chemical change. Can you separate the egg, the flour, the sugar? No, then it is a chemical change.
I never really had found the real answer for this but. I think there is such a thing don't you? I personally gets headache from all the smell i sense and there are some smell that i can avoid but some i really can't and i get a major headache from the smell.
Carbon monoxide (exhaust gas) will cause a headache. It can also induce uncontrollable sleepiness. Have this checked immediately. Chances are you have an exhaust leak.
if I smell some straight or sometimes wg I get a headache but other than that I don't. So it's normal I believe
A branch of Organic Chemistry is called Aromatics for good reason!
Cyanide can give off a bitter almond smell, but doesn't always give off an odor, and not everyone can detect this odor.
Yes, some patients can smell things that aren't there during a Migraine attack. This often includes the smell of burned toast. For appropriate diagnosis and treatment of Migraine and other headache disorders, seek the help of a board certified Migraine and headache specialist.
Yes, the smell of ammonia can trigger Migraine and headache in susceptible individuals. For appropriate diagnosis and treatment of headache disorders, consult a board certified headache specialist.
Your SENSE of smell is physical, but smells are created by chemical interactions.