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Review Questions Regarding Laboratory Techniques: Safety Precautions1. Name four parts of your body that require special protection in the laboratory approved
by OSHA and not by Mr. Garcia? Briefly describe the required protection.
(1) _____________________________________________________________________
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(2) _____________________________________________________________________
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(3) _____________________________________________________________________
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(4) _____________________________________________________________________
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2. In this laboratory, where is the nearest:
(a) Fire extinguisher? ________________________________________________
(b) Safety shower? _________________________________________________
(c) Eyewash Fountain? ______________________________________________
(d) Fire Alarm? ____________________________________________________
(e) Telephone? ____________________________________________________
(f) Fire Blanket? ___________________________________________________
3. Briefly describe the four ways that you prevent the ingestion of chemicals into your digestive tract?
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___________________________________________ ____________________________________________Last Name, First Name [lab partner N0. 1] Last Name, First Name [lab partner N0. 2]
_______________________________ _______________________________Last Name, First Name [lab partner N0. 3] Last Name, First Name [lab partner N0. 4]
___________________________ ______________________ ______________________Section group # Date
4. What does the acronym MSDS stand for? What does it mean?[Hint: give the nine sections of hazardous properties.]
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5. Briefly explain the prerequisite process for the disposal of excess materials.______________________________________________________________________________
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6. List all the defects that make glassware unusable?______________________________________________________________________________
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7. Briefly describe the precautions you should take when you mix chemicals in a test tube?
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8. Briefly describe the manner in which you protect your hands when inserting glass tubing into a rubber stopper?______________________________________________________________________________
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9. What does the NFPA symbolize? What are the colors of the segments and what do the upper, left, right, and bottom segments symbolize?
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(a) _____________________________________________________________________
(b) _____________________________________________________________________
(c) _______________________________________________________________________________________________________
(d) _____________________________________________________________________
10. What does it mean if a substance has bold face numerical numbers of 4 at the top, 3 at the left, and 2 at the right, and blank at the bottom segments of the NFPA label?
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11. Briefly describe the proper technique for heating liquids on a test tube to temperatures below 100 0C?______________________________________________________________________________
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12. Briefly describe what you should do first if you burn a small area on your skin in the laboratory?
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13. What should you do immediately if you notice that your clothing is starting to burn?
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