CHEM 212 QUIZ 1 SAFETY REVIEW ACTUAL
EXAM 2026 2027 VERIFIED ANSWERS
ACTUAL UPDATED PRACTICE QUESTIONS
HIGH YIELD STUDY MATERIAL EXAM PREP
REVIEW LATEST VERSION GRADED A+
1. In case of accidental contact with chemicals, how long should the eyes be
flushed at the eyewash station?
30 minutes
5 minutes
15 minutes
Until the irritation is gone: 15 minutes
2. Move to the safety shower if you spill hazardous chemicals on your
Stand under the shower and the lever. Remove clothing
and continue flushing the area for : skin or clothing...pull...15 minutes
3. Identify the equipment best suited for extinguishing each type of fire.
small benchtop fire
large fire on floor clothing fire : Overturned beaker...fire extinguisher...fire
blanket
4. Identify the precautions to take with exits in the lab.
Locate the exits prior to the start of lab. Keep the
exit door locked at all times.
Make sure lab windows are always open.
Do not block a door with an EXIT sign.: Locate the exits prior to the start of lab. Do
not block a door with an EXIT sign.
,
,5. Which signs are typically posted in areas of active lab work?
Personal protective equipment (PPE) sign
Chemical storage signs
Safety equipment signs
Sign prohibiting food and drink: Personal protective equipment (PPE) sign Chemica
storage signs
Safety equipment signs
Sign prohibiting food and drink
6. *****What is the main precaution to take if a Gas Cylinder sign is present in
the lab?
Visually check that the gas cylinder is restrained but keep a safe distance from
it.
Remove the strap from around the gas cylinder to use it in the lab.
Test out the regulator on the gas cylinder to make sure it is working properly.
Open the valve on the gas cylinder periodically to release pressure.: Visually
check that the gas cylinder is restrained but keep a safe distance from it.
1/
,
, 7. Identify the step that is NOT recommended when responding to an emer-
gency.
Proceed calmly and listen for instructions.
Turn off equipment such as Bunsen burners and gas jets. Alert your
instructor.
Gather your belongings.: Gather your belongings.
8. What is the first step for response to an emergency situation?
Discuss the situation with the other students until everyone agrees on what to
do.
Run outside the building as quickly as possible and call 911.
Remain calm and quiet, gather information, and assess the situation.
Yell for help and assist with the evacuation of the lab.: Remain calm and quiet,
gather information, and assess the situation.
9. When an alarm sounds in the laboratory, it is important to respond
and remain . Listen for any other instructions, turn off any in use,
and be prepared to leave immediately.: calmly...qui- et...equipment
10. In lab, you may need to evaluate the odor or smell of a chemical. What is the
best way to smell a chemical sample?
Hold the sample under your nose and slowly sniff.
Put your head in a fume hood as you heat the sample in it. Use your
hand to gently waft the smell toward you.
2/
,
EXAM 2026 2027 VERIFIED ANSWERS
ACTUAL UPDATED PRACTICE QUESTIONS
HIGH YIELD STUDY MATERIAL EXAM PREP
REVIEW LATEST VERSION GRADED A+
1. In case of accidental contact with chemicals, how long should the eyes be
flushed at the eyewash station?
30 minutes
5 minutes
15 minutes
Until the irritation is gone: 15 minutes
2. Move to the safety shower if you spill hazardous chemicals on your
Stand under the shower and the lever. Remove clothing
and continue flushing the area for : skin or clothing...pull...15 minutes
3. Identify the equipment best suited for extinguishing each type of fire.
small benchtop fire
large fire on floor clothing fire : Overturned beaker...fire extinguisher...fire
blanket
4. Identify the precautions to take with exits in the lab.
Locate the exits prior to the start of lab. Keep the
exit door locked at all times.
Make sure lab windows are always open.
Do not block a door with an EXIT sign.: Locate the exits prior to the start of lab. Do
not block a door with an EXIT sign.
,
,5. Which signs are typically posted in areas of active lab work?
Personal protective equipment (PPE) sign
Chemical storage signs
Safety equipment signs
Sign prohibiting food and drink: Personal protective equipment (PPE) sign Chemica
storage signs
Safety equipment signs
Sign prohibiting food and drink
6. *****What is the main precaution to take if a Gas Cylinder sign is present in
the lab?
Visually check that the gas cylinder is restrained but keep a safe distance from
it.
Remove the strap from around the gas cylinder to use it in the lab.
Test out the regulator on the gas cylinder to make sure it is working properly.
Open the valve on the gas cylinder periodically to release pressure.: Visually
check that the gas cylinder is restrained but keep a safe distance from it.
1/
,
, 7. Identify the step that is NOT recommended when responding to an emer-
gency.
Proceed calmly and listen for instructions.
Turn off equipment such as Bunsen burners and gas jets. Alert your
instructor.
Gather your belongings.: Gather your belongings.
8. What is the first step for response to an emergency situation?
Discuss the situation with the other students until everyone agrees on what to
do.
Run outside the building as quickly as possible and call 911.
Remain calm and quiet, gather information, and assess the situation.
Yell for help and assist with the evacuation of the lab.: Remain calm and quiet,
gather information, and assess the situation.
9. When an alarm sounds in the laboratory, it is important to respond
and remain . Listen for any other instructions, turn off any in use,
and be prepared to leave immediately.: calmly...qui- et...equipment
10. In lab, you may need to evaluate the odor or smell of a chemical. What is the
best way to smell a chemical sample?
Hold the sample under your nose and slowly sniff.
Put your head in a fume hood as you heat the sample in it. Use your
hand to gently waft the smell toward you.
2/
,
