Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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When
doing a lab, what should you do before you actually do anything in the lab? a. | wash your
hands | c. | read your
lab | b. | chew
gum | d. | put on your
jacket | | | | |
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2.
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What
is the safest way to smell chemicals in the lab? a. | Hold the chemical directly to your nose & take a large
whiff. | c. | Waft the vapors
toward you. | b. | Hold the chemical directly to your nose & take a tiny
whiff. | d. | Waft the vapors
away from you. | | | | |
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3.
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Where
should you work with volatile chemicals - especially organic solvents? a. | You should never
work with volatile chemicals. | c. | Near a
flame. | b. | Out in the open. | d. | In the fume hood. | | | | |
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4.
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Which
is NOT one of the two main types of thermometers? a. | salt water | b. | mercury | c. | alcohol | | |
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5.
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Which
of the following is NOT a safe material to wear in the lab?
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6.
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Why
shouldn’t you pour chemicals from a two gallon jug to a graduated cylinder? a. | it could spill
easily | c. | it is OK to pour
from the jug | b. | the jug is too small | d. | the graduated cylinder is too large | | | | |
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7.
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You
use all of the hydrochloric acid that you needed and you have a little extra. What do you do with the
excess? a. | pour it down the
sink | c. | leave it in the
beaker for the teacher | b. | pour it back in the bottle | d. | ask the teacher | | | | |
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8.
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What
should you do if you go to hook up a Bunsen burner and notice that the hose is old and
cracked? a. | put it back in
the drawer and get a new one | c. | get a new one
and let the teacher know | b. | use it anyway | d. | sit there and stare at the hose | | | | |
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9.
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Why
don’t you want a yellow Bunsen burner flame? a. | the flame is too cold | c. | it is OK to use a yellow flame | b. | a flame is too
hot | d. | there are
chemical impurities in the yellow part of the flame | | | | |
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10.
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Why
should you not put on make up or eat food in the lab? a. | you should have
put on you make up before school | c. | it could get contaminated with
chemicals | b. | you should have eaten breakfast | d. | you probably didn’t bring enough food for
everyone | | | | |
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Matching
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Match
the picture of the lab equipment with the correct name. a. | beaker | d. | dropper
pipet | b. | watch glass | e. | rubber stoppers | c. | evaoprating
dish | | | | |
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11.
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12.
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13.
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14.
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15.
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Match
the picture of the lab equipment with the correct name. a. | mortar &
pestle | d. | rubber
tubing | b. | crucible & cover | e. | screw clamp | c. | crucible
tongs | | | | |
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16.
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17.
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18.
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19.
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20.
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Match
the picture of the lab equipment with the correct name. a. | test
tube | d. | volumetric
pipet | b. | test tube brush | e. | graduated pipet | c. | test tube
holder | | | | |
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21.
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22.
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23.
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24.
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25.
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Match
the picture of the lab equipment with the correct name. a. | ring
stand | d. | pipet
bulb | b. | tripod | e. | ring
clamp | c. | bunsen burner | | | | |
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26.
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27.
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28.
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29.
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30.
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