1. Lea told her son, Liam, never play with gasoline. Why do you think she does not allow him to do it? It is because gasoline is _____. *
A. flammable
B. polar
C. solid
D. soluble
2. Why is it important to know the properties of common organic liquid materials? To know _____. *
A. the uses of the liquids
B. how these liquids affect people
C. possible dangers from these kinds of materials
D. all of the above
3. Why are carbon atoms able to form many organic compounds? Carbon atoms _____. *
A. attract electrons from other atoms.
B. have strong attraction to other elements
C. can form many types of bonds with other carbon
D. none of the above
4. Which alkene will most likely have the highest boiling point? *
A. ethene
B. hexene
C. pentene
D. propene
5. Which are TRUE about organic compounds? They _____. *
A. contain calcium
B. contain carbon
C. can be produced artificially
D. can be produced by living organisms