194         Pharmaceutical  Colleges  and  Associations.  {AmApXi^8arm' 
together  with  the  formulas  expressing  these  changes.  State  the  physical  and 
chemical  characters  which  are  distinctive  of  each  salt. 
2.  What  is  the  source  of  the  Carbonates  of  Potassium  ?  State  the  different 
commercial  and  officinal  forms,  the  methods  by  which  they  are  produced,  and  the 
impurities  which  may  be  present  in  any  variety. 
3.  What  is  the  mode  by  which  "  Sodii  Phosphas,"  U.  S.  P.,  is  prepared  ?  Give 
its  composition,  its  physical  and  chemical  characters,  and  the  change  produced  in 
it  by  an  elevated  temperature 
4.  What  preparations  of  silver  are  officinal  ?  State  the  methods  by  which  they 
are  prepared  and  explain,  both  by  words  and  formulas,  the  chemical  changes  which 
take  place  during  their  production.  Which  of  its  compounds  is  most  liable  to 
adulteration,  and  how  can  this  be  detected  ? 
5.  What  is  the  officinal  process  for  preparing  Iodide  of  Potassium  ?  Explain  the 
process  and  give  formulas  for  the  reactions  which  take  place. 
6.  State  the  three  principal  modifications  of  Phosphoric  Acid.  Give  of  each  its 
characteristic  chemical  name  and  composition.  By  what  tests  may  they  be  distin- 
guished from  each  other? 
7.  What  is  "  Hydrargyri  Oxidum  Flavum,"  U.  S.  P.,  and  what  is  the  method  by 
which  it  is  prepared?  Why  does  it  differ  in  color  from  "Hydrargyri  Oxidum 
Rubrum,"  and  by  what  means  can  this  latter  be  made  to  resemble  it  in  appearance? 
8.  What  are  the  antidotes  for  "Arsenic"?  State  the  best  form  and  condition  in 
which  they  can  be  used. 
9.  What  are  the  physical  characters  and  chemical  tests  by  which  ferrous  and 
ferric  Salts  are  distinguished  from  each  other? 
10.  What  are  the  antidotes  for  the  Mineral  Acids  and  for  the  Alkalies?  State 
their  mode  of  action. 
QUESTIONS  IN   MATERIA   MEDICA   AND  BOTANY. 
1.  Which  plants  yield  the  liquorice  root  of  commerce?  To  which  natural  order 
do  they  belong,  and  where  are  they  indigenous?  Describe  the  principal  varieties  of 
the  root,  pointing  out  the  essential  differences  between  them,  and  give  the  name  and 
nature  of  their  sweet  principle. 
2  What  is  ginger?  Give  the  name,  natural  order  and  habitat  of  the  plant 
yielding  it  5  describe  its  physical  and  structural  characteristics,  pointing  out  the  dif- 
ferences, with  their  causes,  of  the  principal  commercial  varieties,  and  name  its 
medicinal  properties  and  important  constituents. 
3.  What  is  slippery  elm  bark?  Name  the  plant,  its  natural  order  and  habitat. 
Describe  the  physical  and  structural  peculiarities  of  the  drug  5  give  its  medicinal 
properties  and  main  constituents,  and  state  in  what  respects  it  differs  from  other  elm 
barks. 
4.  What  is  Iceland  Moss?  Give  the  name,  natural  order  and  habitat  of  the 
plant  5  describe  the  drug  5  name  its  medicinal  properties  and  important  constituents, 
and  state  how  it  may  be  deprived  of  its  bitter  taste. 
5.  Name  the  plants  yielding  the  officinal  fioucers  of  the  composita,  and  give  the 
characteristics  of  these  drugs,  their  constituents  and  medical  properties. 
6.  What  fruits  of  the  Fiperacea  are  officinal?  Name  the  plants  and  their  habitat 
yielding  them  5  state  at  what  period  they  are  collected ;  describe  them  briefly  ; 
enumerate  their  proximate  principles  and  state  to  which  their  medicinal  properties 
are  due. 
7.  Give  the  name,  natural  order  and  habitat  of  the  plant  yielding  flaxseed]  de- 
scribe briefly  the  physical  and  structural  characteristics  of  the  seed,  its  important 
proximate  principles,  their  amount  and  location  in  the  tissues. 
8.  Describe  the  general  character  of  starch,  its  composition  and  its  behavior  to 
solvents  and  to  chemical  agents.  How  may  arroiv  root  be  distinguished  from  other 
starches  ? 
