Exam (elaborations)
Laboratory Safety
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Exam of 3 pages for the course Laboratory Safety at Laboratory Safety (Laboratory Safety)
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Laboratory SafetyFlammable materials, like alcohol, should never be dispensed or used near -
ANSWER an open flame
If a laboratory fire erupts, immediately - ANSWER notify your instructor
Approved eye protection (such as goggles) are worn in the laboratory - ANSWER
any time chemicals, heat, or glassware are used
If you wear contact lenses in the school laboratory, - ANSWER take them out before
starting the lab/tell your teacher
If you do not understand a direction or part of a lab procedure, you should -
ANSWER ask the instructor before proceeding
After completing an experiment, all chemical wastes should be - ANSWER disposed
of according to you instructor's directions
If a lab experiment is not completed, you should - ANSWER discuss the issue with
your instructor
You are heating a substance in a test tube. Always point the open end of the tube -
ANSWER away from all people
You are heating a piece of glass and now want to pick it up. You should - ANSWER
use tongs
You have been injured in the laboratory (cut, burn, etc.). First you should - ANSWER
tell the science instructor at once
When gathering glassware and equipment for an experiment, you should:
a) read all directions carefully to know what equipment is necessary
b) examine all glassware to check for chips or cracks.
c) clean any glassware that appears dirty - ANSWER all of the above
You want to place a piece of glass tubing into a rubber stopper after the tubing has
been fire polished and cooled. This is best done by:
a) lubricating the tubing with water or glycerin
b) using a towel or cotton gloves for protection
c) twisting the tubing stopper carefully - ANSWER all of the above
Personal eyeglasses provide as much protection as:
a) a face shield
b) safety glasses
c) splash proof chemical goggles - ANSWER none of the above
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