it smells good.
hydrosulphuric acid
Cyanide, although it smells of almonds only about two thirds of people can smell it.
I think it smells different than when it was introduced.
because of eating garlic?
I wouldn't quite know what rotted pears smells like, but anytime you have something rotten smelling and you can't find the source... you might think about something having died either in your walls, or under your house. Have you set out some bait for pests?
Arsenic or rat poison as it more commonly know smells like bitter almonds. I found this out from the great Edgar Allen Poe :)
He was actually hit by mustard gas (a poison gas that smells like mustard) near the end of World War I. The war ended while he was still in a hospital recovering from the poison.
Yes, many esters have a pleasant, fruity smell. Indeed, many of the smells we associate with fruit are caused by their ester content. Ethyl ethanoate smells of ripe pears and isoamyl acetate is reminiscent of bananas. However, not all are fruity. Methyl salicylate smells of antiseptic.
Cyanide
The plural of pear is pears.
You can tell if he is acting weird ,and is making this weird food or something in a pot or something, and you can tell if it smells weird. Not all poison has taste or smell. If you think some-one is trying to poison you, dont let them near anything you are going to consum.