What is White Vitriol? Sulphate of Zinc. 



What is Blue Vitriol? Sulphate of Copper. 



What is Sal Soda? Carbonate of Soda. 



What is the action of Litharge on Olive Oil? 

 Forms a lead soap and Glycerin. 



Define Stigma, and mention a drug that the 

 Pharmacopceia directs shall be composed alone of 

 Stigmas? The Stigma is the tip or some other por- 

 tion of the style upon which the Pollen falls. Saf- 

 fron is the Stigmas of crocus sativus. 



Name two bitter principles found in Columbo 

 Root. Colombin and Berberine. 



How was Glycerin first obtained? As a by-pro- 

 duct in the manufacture of Lead Plaster. 



What is a Volatile Oil? One made by distilla- 

 tion from vegetable substances. 



What is a Fixed Oil? One expressed from vege- 

 table substances. 



What is a neutral principal? . One which is 

 neither Acid or Alkaline. 



Which element is used most in the metallic state 

 in Pharmacy? Mercury. 



How are Glycerin suppositories made? By the 

 addition of Soap or Gelatine. 



What change was made in Spirits of Camphor in 

 the U. S. P. of 1880? Water was added to the for- 

 mula. 



Name the officinal preparations of Sulphur. 



Sulphur Precipitatum, 



Sulphur Lotum, 



Sulphur Sablimatum, 



Sulphuris lodidum. 



To what does Cherry Laurel Water owe its activ- 

 ity? Hydrocyanic Acid. 



Why is charcoal used in the preparation of Potas- 

 sium Iodide? To convert the lodate into Iodide. 



48 



