True/False
Indicate whether the sentence or statement is true
or false.
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1.
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If
you wear contact lenses in the laboratory, you do not nee to wear protective goggles.
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2.
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If
I’m very careful, I can perform an experiment if Mr. Eisley is not in the room.
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3.
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Hot
glass and cool glass look the same.
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Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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4.
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To
extinguish a laboratory fire, you should know a. | how to operate a fire
extinguisher | c. | who is
responsible for using the extinguisher | b. | where extinguishers are located | d. | all of the above. | | | | |
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5.
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Flammable materials, like alcohol, should never be dispensed or used
near a. | an open
door. | c. | another
student. | b. | an open flame. | d. | a sink. | | | | |
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6.
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Goggles are worn in the laboratory: a. | to avoid eye
strain. | c. | to wear only if
you don’t have corrective glasses. | b. | to improve your vision. | d. | any time chemicals, heat or glassware are
used. | | | | |
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7.
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After
completing an experiment, all chemical wastes should be: a. | left at your lab
station for the next class. | c. | dumped in the
sink. | b. | disposed of according to your instructor’s
directions. | d. | taken
home | | | | |
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8.
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Spilled acid should be neutralized with: a. | paper
towels. | c. | vinegar. | b. | water. | d. | sodium bicarbonate solution. | | | | |
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9.
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When
heating a test tube, always point the open end of the tube a. | toward
yourself. | c. | toward another
classmate. | b. | toward your lab partner. | d. | toward no other person. | | | | |
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10.
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You
are heating a piece of glass and now want to pick it up; you should a. | grab
it. | c. | hold your hand
above it and feel for heat. | b. | touch it with a piece of paper. | d. | pour water on the glass. | | | | |
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11.
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The
method you use to extinguish a fire with a fire extinguisher is known as a. | F.I.R.E | c. | H.E.L.P. | b. | P.A.S.S. | d. | S.A.F.E. | | | | |
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12.
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Some
alcohol has been spilled. What is the best cleanup procedure? a. | Let it
evaporate. | c. | Clean it up at
once. | b. | Tell the Instructor | d. | Both B and C. | | | | |
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13.
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What
is the correct way to clean up broken glass? a. | Pick it up with your hands. | c. | Sweep it into the trash can. | b. | Pick it up with
a paper towel. | d. | Sweep it up with
the dustpan and broom and placing it in the broken glass container. | | | | |
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14.
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How
long should you rinse your eyes if you get corrosive or caustic materials in your
eyes? a. | 10
seconds | c. | 5-7
minutes | b. | 1 minute | d. | 15-20 minutes | | | | |
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15.
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Which
of the following is safe to have when working lab? a. | Sandals | c. | Unbuttoned cuffs
or baggy shirt sleeves | b. | Lots of dangling jewelry | d. | Hair that is tied back. | | | | |
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16.
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The
last thing you should do before leaving the lab after an experiment is a. | wash your hands
with soap and water. | b. | dispose of your waste chemicals
appropriately. | c. | clean your glassware. | | |
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17.
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What
is the proper way to smell odors from a test tube in laboratory? a. | Inhaling | c. | Sniffing | b. | Wafting | d. | Placing nose directly over the tube and breathing in
deeply | | | | |
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