Dude, it's gas. Gas is a chemical. There you go.
ammonia
Normally, acetylene, which is a colorless gas, C2 H2, that smells like ether
Sulfur is a yellow element that smells of rotten eggs.
The elusive odor of sulfur dioxide smells like meadows of daisies. It also smells like sparkling ice. It smells like paper fresh from the tree, like from the library, and the ground. And a chalkboard. You should know this. Did you not go to science class?
cyanide --- probably hydrogen cyanide gas supposedly smells like almonds.
Arsenic when heated will form Arsenic Trioxide which has an order resembling garlic.
sulfur allyl sulfate smells like onion.
make be there is a gas leak
because you spilled gas in it
why you get lightheaded when i pass gas? simply because it smells like a$$!
Dude, it's gas. Gas is a chemical. There you go.
It smells terrible it smells like old gas from the car when people smoke their teeth get ruined
Fuel pump
Varnish, or in other words it does not smell like gas, it smells almost burnt
Thunder smells like ozone gas. It is because ozone gas is produced during thunder.
ammonia