206  Pharmaceutical  Colleges  and  Associations.  {AmApru%889arm* 
3.  — Write  out  a  description  of  a  good  hand-power  drug  mill,  suitable  for 
the  needs  of  a  pharmacist.  Illustrate  the  various  parts  by  drawing  such 
simple  sketches  as  you  deem  necessary  to  explain  the  action  of  the  mill. 
4.  — What  is  meant  by  circulatory  solution  ?  Give  the  reasons  why  a  solid 
substance  should  be  agitated  in  contact  with  a  solvent,  if  rapidity  of  solution 
is  desired  ? 
5.  — Describe  briefly  the  various  processes  that  a  drug  like  a  Medicinal 
Eoot  should  undergo,  from  the  time  it  is  taken  from  the  earth  until  it  is 
made  into  a  liquid  extract? 
6.  — How  many  strengths  of  Water  of  Ammonia  are  officinal  ?  Describe 
a  process  for  making  Water  of  Ammonia?  What  is  the  commercial  name 
of  the  Water  of  Ammonia  found  in  the  market,  which  differs  in  strength 
from  either  of  the  officinal  kinds?  What  precautions  are  necessary  in 
handling  stronger  Water  of  Ammonia  ? 
CHEMISTRY. 
1.  — How  do  we  measure  changes  of  temperature  most  accurately  ?  What 
are  the  two  scales  now  officinal  in  the  U.  S.  Pharmacopoeia?  Convert  98° 
F.  into  C.  degrees,  15°  F.  into  C.  degrees,  and  79°  C.  into  F.  degrees. 
2.  — What  is  the  composition  of  white  light  ?  State  how  this  composition 
of  light  can  be  ascertained.  What  valuable  method  of  chemical  analysis 
has  been  based  upon  this  propertj^  of  light  ? 
3.  — Define  an  acid,  a  base,  and  a  salt,  and  illustrate  by  an  example  of 
each.  What  is  the  difference  between  an  acid  salt,  a  neutral  salt,  and  a 
basic  salt?  Give  an  example  of  each  class.  Give  the  correct  chemical 
names  for  HI.  Ca  (OH)2.  KN03.  NaHC03  and  Na2HP04. 
4.  — Write  in  chemical  symbols  two  reactions  for  the  manufacture  of  chlo- 
rine. State  how  a  lighted  taper  burns  in  chlorine,  and  give  the  reason  for 
its  behavior.  State  the  circumstances  under  which  chlorine  has  a  bleaching 
action,  and  explain  this  action. 
5.  — Complete  the  following  reactions,  and  name  the  several  substances 
used  in  the  reactions,  and  the  products  obtained. 
Na  N03+ H2S04= 
Ca3  (P04)2+2H2  SO,= 
Ca  C03+2HC1= 
6.  — How  is  boric  acid  obtained  ?  Describe  acidum  boricum  and  sodii  boras. 
Give  the  chemical  formulas  for  both  of  these  compounds. 
QUESTIONS  BY  THE  EXAMINING  COMMITTEE. 
1.  — How  many  cubic  centimeters  would  1000  grams  of  glycerin  occupy  if 
it  is  one  and  a  quarter  times  as  heavy  as  water  ?  How  many  grains  would 
a  fluidounce  of  the  same  liquid  weigh  ? 
2.  — How  many  grains  of  each  of  the  ingredients  will  be  needed  to  make 
one  pound,  avoirdupois,  of  a  mercurial  ointment,  if  it  requires  mercury  45 
per  cent.,  lard  20  per  cent.,  suet  20  per  cent.,  compound  tincture  of  benzoin 
5  per  cent.,  mercurial  ointment  10  per  cent. 
3.  — Give  the  full  English  and  popular  synonyms  of  the  following  officinals 
Ceratum  Resinse,  Hamamelis,  Sambucus,  Ichthyocolla,  Mistura  Magnesias 
et  Asafoetidae,  Mistura  Potassii  Citratis,  Pilulse  Aloes  et  Mastiches,  Potassii 
et  Sodii  Tartras,  Unguentum  Hydrargyri  Mtratis,  Unguentum  Aquas  Rosas. 
