Question 24 (3 points)
Chipped or cracked glassware is okay to use.
- True
- False

Question 25 (3 points)
If you do not understand a direction or part of a lab procedure, you should:
A. ask the instructor before proceeding.
B. try several methods until something works.
C. figure it out as you do the lab.
D. skip it and go on to the next part.

Question 26 (3 points)
Flammable materials, like alcohol, should never be dispensed or used near:
A. an open flame
B. another student
C. a sink
D. an open door

Question 27 (3 points)
It's okay to pick up broken glass with your bare hands as long as the glass is placed in the trash.
- True
- False

Question 28 (3 points)
If you wear contact lenses in the school laboratory, you should:
A. keep the information to yourself.
B. take them out before starting the lab.
C. you do not have to wear protective goggles.
D. advise your science instructor that you wear contact lenses.

Question 29 (3 points)
You are heating a substance in a test tube. Always point the open end of the tube:
A. toward yourself.
B. toward another classmate.
C. away from all people.
D. toward your lab partner.