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Laboratory Safety Questions and Answers
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Laboratory Safety Questions and Answers Which of the following is/are unacceptable during lab hours? a. Eating a candy bar near the lab exit b. Taking a 5-min break to eat candy bar in Coonley with permission c. Bringing backpack into lab and leaving it by the door, with a pack of chewing gum...

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  • November 17, 2024
  • 10
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • laboratory safety questions and answers
  • which of the following isare unacceptable during
  • which of the following isare true about disposabl

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Laboratory Safety Questions and
Answers
Which of the following is/are unacceptable during lab hours?

a. Eating a candy bar near the lab exit
b. Taking a 5-min break to eat candy bar in Coonley with permission
c. Bringing backpack into lab and leaving it by the door, with a pack of chewing gum
inside
d. Leaving backpack outside the lab in a designated clean area, with a pack
of chewing gum inside - answer A, C

Which of the following is/are true about disposable lab gloves?

a. Wearing them while using your phone is OK, as long as they're clean.
b. Some people are allergic to latex rubber and may develop skin problems due to the
gloves themselves.
c. Some common organic solvents can diffuse through nitrile rubber material in a matter
of seconds.
d. Gloves can actually worsen a chemical exposure if the chemical somehow gets
through the glove material.
e. The gloves should be peeled off and thrown in the trash when you go out to use the
rest room. They cannot be saved for re-use when you come back into the lab.
f. None of the above are true statements. - answer B, C, D, E

Which of the following clothing items are PROHIBITED from being worn in the lab?

a. Sandals or flip-flops
b. Shorts
c. Neckties and dangling jewelry
d. Jeans
e. None of the above items are prohibited, but a few are strongly discouraged. - answer
A, B, C

Which of the following are true about chemical storage and segregation?

a. Corrosive chemicals, including all acids and bases, should be stored together in a
single, separate, designated area with secondary containment.
b. Leaving a plastic "squirt" bottle full of acetone (flammable) on the lab bench
overnight is acceptable because the volume of liquid is less than one pint
c. Storing an organic solvent (like toluene) in the same cabinet as an organic oxidizer
(like tertranitromethane) is prohibited.
d. Strong acids such as 6 N HCl must be stored in a corrosion-resistant secondary

, container
e. Peroxide-forming chemicals like diethyl ether cannot be stored with other organic
solvents.
f. None of the above are true statements. - answer C, D

On the first day of lab, you should...

a. Familiarize yourself with emergency escape routes before beginning work
b. Locate the safety shower and eyewash stations
c. Ask how to use the shower and eyewash stations if you don't know
d. Locate the first aid kit
e. Put on your PPE and begin work without doing any of the above; the TAs are
responsible for locating safety gear, not the students. - answer A, B, C, D

If there is a fire in the lab and you wish to contact RPI Public Safety, you should...

a. Evacuate immediately
b. Dial 911 from your cell phone after evacuating to a safe area
c. Dial 911 from a campus land line phone after evacuating to a safe area
d. Dial 518-276-6611 from your cell phone after evacuating to a safe area
e. Dial 518-276-6611 a campus land line phone after evacuating to a safe area - answer
A, C, D, E

Wearing the following PPE is mandatory (the bare minimum allowed) during all
laboratory experiments

a. Disposable nitrile rubber gloves
b. Full face shield
c. Laboratory coats
d. Respirators
e. Chemical splash goggles with side shields - answer A, C, E

Which of the following are true about Material Safety Data Sheets (MSDS)?

a. They are kept in the lab only for each chemical and biological agent that rates "3" or
higher in the Health category.
b. Reading the MSDS is necessary, but not sufficient, preparation for using the chemical
c. The laboratory manager is responsible for keeping a hard copy of the MSDS on hand
for all chemicals used in the lab (besides water)
d. Besides safety information, the MSDS also provides chemical and physical properties
of the substance in question
e. Besides safety information, the MSDS also provides fire & spill response
information for the substance in question - answer B, C, D, E

Assuming we are going to put samples into a refrigerator, which of the following
chemicals requires an explosion-proof refrigerator? (Choose only one answer)

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