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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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