Safety in Science Answers

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1
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Jerome and a classmate are conducting an experiment. Which piece of safety equipment is least likely to be at Jerome’s lab station?

A
goggles
B
a fire extinguisher
C
heat-proof gloves
D
a lab coat
2
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Forrest spills some acid on the lab floor. He notifies his teacher and begins to look for baking soda to neutralize the acid on the floor. Who should be notified next?

A
other students in the lab
B
the police department
C
lab stockroom personnel
D
the fire department
3

When students work in a chemistry lab, the location of which item would be the most important for each student to know?

A
broom and dust pan, in case the student needs to sweep up broken glass
B
baking soda, in case the student needs to neutralize an acid spill
C
ice maker, in case the student needs to cool off hot glassware
D
safety shower, in case a chemical is spilled on the student’s body
4

Ben will be conducting an experiment in which he reacts metals with different concentrations of acid in test tubes. What should Ben wear to best protect himself during the experiment?

A
heat-proof gloves, a lab coat, and close-toed shoes
B
a lab coat, chemical gloves, and close-toed shoes
C
goggles, a lab coat, and heat-proof gloves
D
goggles, a lab coat, chemical gloves, and close-toed shoes
5

When should a lab coat, safety goggles, and gloves be worn in the laboratory?

A
always, no exceptions
B
always, unless the teacher instructs otherwise
C
only when the teacher says to wear them
D
never in chemistry labs
6

The MSDS for benzene indicates that it is a clear liquid that has a substantial vapor pressure. It has a health rating of 2, a fire rating of 3, and a reactivity rating of 0. It is a cancer-causing agent. Based on this information, which statement about benzene is accurate?

A
Benzene readily reacts with moist air.
B
Benzene explodes if the container is shaken.
C
Benzene must be kept away from flames.
D
Benzene must be stored under high pressure.
7

What emotional state is important to maintain while reporting an accident in the lab?

A
fear
B
anxiety
C
calmness
D
embarrassment
8

Hiro does not see a puddle of liquid on the lab table and accidentally touches the liquid. What should Hiro do next?

A
He should tell his teacher about the spill and clean it up with paper towels.
B
He should tell his teacher about the spill and rinse his hand in the sink.
C
He should tell the other students and clean up the spill with paper towels.
D
He should tell the other students and rinse his hand in the sink.
9

The MSDS for chloroform indicates that it is a clear liquid that has a pleasant smell and substantial vapor pressure. People should avoid inhaling its vapors, and it is sensitive to light. Malik needs 10 mls of chloroform for an experiment. According to this information, how should he safely pour the chloroform?

A
He should locate the chloroform stored in a transparent container in chemical storage and pour directly into his beaker from that location.
B
He should locate the chloroform stored in a transparent container in chemical storage and should take it to the fume hood to pour.
C
He should locate the chloroform stored in a dark container in chemical storage and should take it to the fume hood to pour.
D
He should locate the chloroform stored in a dark container in chemical storage and pour directly into his beaker from that location.
10

Denise heats a beaker of dilute acid on a hot plate in a fume hood. What should Denise wear to best protect herself when she transports the beaker to a balance outside the hood?

A
heat-proof gloves, a lab coat, and close-toed shoes
B
goggles, a lab coat, and close-toed shoes
C
goggles, a lab coat, and heat-proof gloves
D
goggles, a lab coat, heat-proof gloves, and close-toed shoes

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