Chemistry 11
Name: ______________________
Safety in the Chemistry Lab
Answer the following questions in the space provided
1. When using a fire extinguisher, where should you aim the spray?
__________________________________________________________________________________
2. How long can you expect a typical fire extinguisher to spray? _________________________________
3. Give two situations where a fire blanket should be used.
1) ____________________________________________________________________________
____________________________________________________________________________
2) ____________________________________________________________________________
____________________________________________________________________________
4. What should you do if you spill chemicals on the table?
__________________________________________________________________________________
5. What should you do if you spill an acid or base solution on your skin?
__________________________________________________________________________________
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6. What should you do if your eyes come into contact with any harmful chemicals during a lab activity?
__________________________________________________________________________________
__________________________________________________________________________________
7. When should safety goggles be worn during a chemistry lab?
__________________________________________________________________________________
8. What is the proper way to dilute acid with water?
__________________________________________________________________________________
__________________________________________________________________________________
9. List 5 safety precautions for using a Bunsen burner or hot plate.
1) ____________________________________________________________________________
2) ____________________________________________________________________________
3) ____________________________________________________________________________
4) ____________________________________________________________________________
5) ____________________________________________________________________________
10. What should you look for on the edges of all glassware and what should you do about it?
__________________________________________________________________________________
__________________________________________________________________________________
11. Why are backpacks to be moved to the front of the room during labs?
__________________________________________________________________________________
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12. While working in the laboratory, why should you always...
a) Tie long hair back: ____________________________________________________________
b) Wear closed-toed shoes: _______________________________________________________
c) Wear safety goggles: __________________________________________________________
d) Wear a lab apron: _____________________________________________________________
Chemistry 11
13. Describe the process of “wafting” and when it should be used?
__________________________________________________________________________________
__________________________________________________________________________________
14. Why are unused chemicals never returned to their original containers?
__________________________________________________________________________________
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15. Why are you not allowed to eat or drink anything while performing a lab?
__________________________________________________________________________________
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16. What are the two most common injuries that students get while doing labs?
_____________________, and _______________________
17. What is the correct way to dispose of your waste chemicals when the lab is complete?
__________________________________________________________________________________
__________________________________________________________________________________
18. List the 4 classes of fire extinguishers and describe the type of fire each would be used for.
Class ___
Fire Type _____________________________________________
Class ___
Fire Type _____________________________________________
Class ___
Fire Type _____________________________________________
Class ___
Fire Type _____________________________________________
18. Explain the meaning of the statement: You are only as safe as the least safe person in the laboratory.
_____________________________________________________________________________________
_____________________________________________________________________________________
Sketch a map of the chemistry lab and indicate the location of the following safety items. Feel free to
add any others you can think of. Fire Extinguishers, Fire Blanket, Eyewash Station, Fume hood,
Designated Fire Exit, Fire Alarm, Safety Shower, Hand-wash Sink