3 Written Questions

1. 1973 coloring
2. 1960 root beer flavoring
3. 1966 coloring

2 Multiple Choice Questions

1. 1950 artificial sweetener
   1. dulcin
   2. red 2
   3. safrole
   4. violet 1
2. 1976 coloring
   1. red 2
   2. dulcin
   3. green 1
   4. violet 1

2 True/False Question

1. cyclamate → 1950 artificial sweetener
   

   True        False

2. cobalt sulfate → 1966 beer foam stabilizer
   

   True        False