Lee Jones test is used for ?
Ans. is 'c' i.e., Cyanide Lee Jones test Few crystals of ferrous sulfate is added to 5 ml of the gastric content. To it, 5 drops of sodium hydroxide is added. The mixture is boiled and cooled. To it, 10 drops of 10% hydrochloric acid is added. Greenish blue colour indicates cyanide and purplish colour indicates salicylate.
Carbolic acid
Arsenic
Cyanide
Lead