Examinations for the degree of bachelor of medicine in the year 1841 / University of London.
- University of London.
- Date:
- 1841
Licence: Public Domain Mark
Credit: Examinations for the degree of bachelor of medicine in the year 1841 / University of London. Source: Wellcome Collection.
Provider: This material has been provided by Royal College of Physicians, London. The original may be consulted at Royal College of Physicians, London.
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![of the substance analysed? What the number of the equiva- lents of each ? What was the substance analysed ? 7. State and illustrate Berzelius’s doctrine of ammonium. 8. What is benzule ? What is its connexion with the volatile oil of bitter almonds and benzoic acid ? 9. Explain the formation of hydrocyanic acid in the bitter almond. , FRIDAY, July 16.—Afternoon, 3 to 6. MATERIA MEDICA AND PHARMACEUTICAL CHEMISTRY. Examiner, Dr. Pereira. ]. What is the per-centage strength of the Acidum Hydro- cyanicum Dilutum, Ph. L. ? What quantity of Cyanide of Silver should 100 grs. of this acid yield on the addition of a solution of Nitrate of Silver? State the characteristics of Cyanide of Silver, and how you would distinguish it from Chloride of Silver. If a sample of Diluted Hydrocyanic Acid yield a red precipitate on the addition of the Iodo-cyanide of Potassium and Mercury, what inference would you draw therefrom ? State the composition of this red precipitate, and explain the chemical changes which occur during its forma- tion under the above circumstances. 2. The bottles marked respectively A and B contain adul- terated powder of Scammony: you are required to apply the appropriate tests [which ivill be furnished] in order to dis- cover the nature of the adulterating matter in each. 3. Describe the mode of preparing the Spiritus AEtheris Nitrici, Ph.L.; and explain the nature of the principal changes](https://iiif.wellcomecollection.org/image/b28040235_0018.jp2/full/800%2C/0/default.jpg)