Hydrogen sulfide, a colorless gas that smells like rotten eggs, is produced naturally from decaying matter. This gas is ...

"It's got a lot of nitrogen in it and therefore when it burns it produces both carbon monoxide and hydrogen cyanide." A spokesman for the British Rigid Urethane Foam Manufacturer's Association ...

Cyanide salts and solutions are extremely poisonous. Reaction with acid liberates hydrogen cyanide gas, one of the most toxic and rapidly acting poisons. Solutions must be kept basic (pH>8). Gloves ...