<prompt> In sulfuric acid poisoning all the following are seen, exceptDryness of mouthDamaged tongueChalky white teethSwollen tongue with white coating  <response>: Sulphuric acid poisoning: Colourless, odourless, non-fuming Signs symptoms Brown to black streak from angle of mouth Black tongue Chalky white teeth Black necrotic stomach or black charred stomach Blotting paper stomach Gastric perforation The mind remains clear till death. Fatal dose : 5-10ml Fatal period : 12-24 hour Sulphuric acid is the most common substance associated with vitriolage. 