210  Pharmaceutical  Colleges  and  Associations.  (A%°ruiI;JStfm- 
F.  — What  is  an  Ether  ?  What  is  the  distinction  between  a  simple 
and  a  compound  Ether  1  Give  the  chemical  formula  and  state  to  which  class 
Aether  belongs.  Give  the  chemical  formula  and  state  to  which  class  Aether 
aceticus  belongs.  Give  the  chemical  formula  and  state  to  which  the  nitrous 
ether  of  spiritus  aetheris  nitrosi  belongs. 
G.  — What  is  Fermentation  ?  Enumerate  the  several  kinds  of  fermentation 
and  write  the  chemical  reactions  for  the  changes  that  take  place.  What  are 
some  of  the  industries  based  upon  fermentation  processes  ?  Name  some  offici- 
nal compounds  that  are  products  of  fermentation  ? 
H.  — What  is  the  chemical  formula  of  Acidum  Benzoicum  ?  Give  the  sources 
of  preparation  of  this  acid,  both  natural  and  artificial.  Give  the  formulas  of 
the  alcohol  and  aldehyde  corresponding  to  this  acid.  Are  either  of  these  officinal 
and  under  what  name  or  names  ? 
I.  — What  is  the  difference  between  a  Phenol,  an  Aromatic  Alcohol,  an  Alcohol- 
Phenol,  an  Aromatic- Acid  and  a  Phenol-Acid?  Illustrate  by  an  example  of  each 
class. 
K. — What  is  the  chemical  composition  of  most  of  the  essential  oils?  In  what 
physical  and  chemical  points  do  they  differ  from  the  fixed  oils  t  What  is  a 
Camphor  ?  What  is  the  general  chemical  composition  of  the  Resins  ?  What  of 
the  Balsams  ? 
EXAMINING  COMMITTEE. 
A.  — What  substances  are  used  in  the  officinal  process  for  Diluted  Hydrocyanic 
Acid?  State  briefly  the  method  of  its  preparation.  Give  the  percentage 
strength  of  this  Acid.  State  the  process  for  its  extemporaneous  preparation. 
What  reaction  takes  place  during  this  process?  How  should  the  Acid  be 
preserved  ? 
B.  — Give  the  officinal  definition  for  Chinoidin.  Name  its  principal  active 
chemical  constituents.  Describe  its  physical  properties.  What  are  its  best 
solvents?   Is  it  reliable  as  a  remedial  agent?  How  is  it  generally  administered? 
C.  — What  is  the  unit  of  capacity  in  the  metric  system?  How  is  it  obtained 
from  the  meter?  What  is  the  metric  unit  of  weight?  How  is  it  obtained? 
Express  the  weight  of  1000  cc.  of  officinal  Glycerin,  Nitric  Acid,  and  Benzin, 
according  to  the  metric  system. 
D.  — Give  three  tests  for  detecting  Salts  of  Ammonium,  and  state  how  Salts  of 
Potassium  would  interfere  with  these.  Describe  four  tests  for  recognizing 
Nitrates.  By  what  chemical  tests  would  you  distinguish  Potassium  Nitrate  from 
Potassium  Chlorate? 
E.  — What  is  Argots?  How  is  it  produced?  What  is  the  difference  in  color 
of  the  commercial  article  due  to?  What  are  the  chemical  constituents  of 
Argols?  How  is  it  purified?  What  is  the  name  of  the  purified  product? 
What  acid  is  obtained  from  it?  Give  the  process  for  obtaining  this  Acid. 
What  impurity  is  generally  present  ? 
F.  — How  long  would  it  take  to  empty  a  vessel  containing  a  gallon  of  officinal 
Alcohol  at  the  rate  of  2989.392  grains  per  second?  How  many  grains  of  water 
will  be  required  to  add  to  a  gallon  of  Alcohol,  to  make  diluted  Alcohol? 
