I70 THE JOURNAL OF PHARMACOLOGY. 



2. Hydrogen : 



(a) State how it may be prepared from water. 



(b) State in what condition it is most active. 



3. How many grammes of Sulphur dioxide can be obtained from one kilogramme 

 of Sulphur, the Sulphur being 90% pure? 



4. Show by equation how Potassium Chlorate can be obtained from Potassium Hy- 

 drate. 



5. Give a characteristic test for each of the following : 



(a) Antimony. {c) Phenol. 



(b) Nitrous Acid. (d) Salicyclic Acid. 



6. Give a chemical title of each of the following : 



(a) KC^H.O,- (c) K,Fe(Cy)e. 



(b) PbCNOs),. (d) NaHsPO,. 



7. Write the chemical formula for each of the following : 



(a) Glauber's Salt. {c) Green Vitriol. 



{b) Ethyl Nitrite. (d) Glyceryl Trinitrate. 



8. Name the poisonous impurity which is sometimes present in salts of Bismuth. 

 How would you detect the same ? 



9. Give tests by means of which you would show the presence of Sodium and Am- 

 monium in the same mixture. 



10. What kind of salt is Turpeth's Mineral. Define this kind of a salt. 



ir. How would you determine the presence of Sulphur in an Organic body? 



12. Write the chemical formula of Formaldehyde. State how it is prepared. 



13. Into what two series are Organic Compounds divided. Give two examples un- 

 der each series. 



14. Chloroform : 



{a) State how it is prepared. 



[b] What impurities may it contain ? 



(c) How is it purified ? 



15. Complete the following equations : 



(a) BiCls + H^O^: (c) C«H50H + HN03 = 



{b) SbClg + 3H = {d) HgXla + 2NH,0H = 



Materia Medica. 



1. Describe a. Iodine, b. Mercury, c. Sulphur, d. Antimony. How are they ob- 

 tained ? 



2. What is Phenol ? From what is it derived ? 



3. To what natural orders do the following drugs belong: a. Hemlock, b. Colchicum 

 Root, c. Hops. 



4. Give the botanical name and habitat of the following: a. Sarsaparilla, b. Stillingia, 

 c. Henbane. 



5. Name three drugs belonging to the Natural Order Rutaceae. 



6. From what are the following obtained : a. Gallic Acid, b. Iodoform, c. Man- 

 ganese, d. Menthol. 



7. Name two official drugs belonging to the following classes and give their official 

 titles : a. Gum Resins, b. Glucosides, c. Alkaloids, d. fruit. 



8. Podophyllum. Give common name, habitat, part of plant used. Name its ac- 

 tive principle and official preparations. 



