<prompt> Characteristic postmortem finding of carbolic acid poisoning isGrunish stomachYellow charred stomachBrown leathery stomochBlack charred stomach  <response>: Stomach mucosa :Sulphuric acid : Charred Black blottin paper stomachCopper sulphate : Bluish greenFerrous sulphate : GreenArsenic : pink velvety mucosa strawberryNitric acid : yellowCarbolic acid : White leathery stomach. 