hydrocarbon
Cyanide smells of almonds.
cyanide --- probably hydrogen cyanide gas supposedly smells like almonds.
Hydrogen sulphide smells like rotting eggs.
It smells like rotten eggs.
Rubber
When hydrogen is mixed with sulfur, it can produce hydrogen sulfide (H₂S), a gas known for its characteristic smell of rotten eggs. This compound is highly toxic and can be found in natural sources such as volcanic gases and hot springs. Safety precautions are essential when handling hydrogen sulfide due to its hazardous nature.
hydrogen sulfide.
Actually, the gas that sometimes contaminates natural gas and oil well call hydrogen sulfide (H2S). H2S is also a byproduct of mammalian digestion, so anything containing H2S will smell similar.
The smell of Carbon Monoxide is one
This is a compound sentence, and it smells bad.
If your gas smells like rotten eggs, it's likely due to the presence of hydrogen sulfide, a compound added to natural gas as a safety measure. Natural gas is odorless, so the sulfur-containing compound, usually mercaptan, is added to help detect leaks. A rotten egg smell indicates a potential gas leak, which can be hazardous. If you notice this smell, it's crucial to evacuate the area and contact your gas provider immediately.
Pure hydrogen is an odorless, colorless, and tasteless gas. It does not have a discernible odor.