chem 1a labflow| Ques ons and answers | Updated
RATED A+ | NEW 2026
Iden fy the safety equipment designed to deal with each emergency listed.
cuts or minor burns- first aid kit
large fire on the bench top-fire ex nguisher
fire on a person- fire blanket
chemicals on clothes- safety shower
chemicals in eyes- eyewash sta on
Under what condi ons should a student inform the instructor of a lab injury?
The instructor must be informed of all laboratory injuries.
Iden fy the equipment best suited for ex nguishing each type of fire.
large fire on floor-fire ex nguisher
small benchtop fire-overturned beaker
clothing fire- fire blanket
What is the main precau on 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.
Which types of signs are posted to convey informa on about chemical storage?
hazard signs such as "flammable", "oxidizer", and "corrosive"
NFPA diamond
gas cylinder sign
iden fy the descrip on that applies to the substance represented by each NFPA diamond
red=0,blue=3,yellow=0,white=OX - oxidizer, not flammable
red=0,blue=3,yellow=2,white=... - moderately unstable or reac ve
red=3,blue=2,yellow=0,white=... - stable, has health risks but no special hazards
red=4,blue=2,yellow-0, white=..., - has a flash point below room temperature
Iden fy the types of informa on that are necessary to communicate with emergency
responders.
,any chemicals involved in an incident
any other hazards present in the lab
how the incident happened
Iden fy the step that is not recommended when responding to an emergency.
Gather your belongings.
When an alarm sounds in the laboratory, it is important to respond ____and remain ___Listen
for any other instruc ons, turn off any
____ in use, and be prepared to leave immediately.
calmly, quiet, equipment
In general, which characteris cs are necessary for a loca on to be suitable for chemical storage?
dark, dry, cool
What is generally the best approach when liquid from a large reagent bo9le is needed in an
experiment?
Pour some of the reagent from the bo9le into a beaker, then use as needed in the procedure.
Iden fy what each GHS symbol signifies about the type of chemical present in a bo9le or
storage cabinet.
two liquids being poured- corrosive, chemical
flame-flammable chemical
circle on fire-oxidizing chemical
How should spill cleaning materials be discarded?
Seal in a labeled plas c bag, then place in the solid waste container.
Most chemicals can be cleaned up with a general spill kit, but a few chemicals require
specialized spill procedures. For each substance listed, determine whether a general spill kit is
sufficient or if a specialized spill kit is needed.
hydrofluoric acid - special
mercury-special
phosphoric acid-general
acetone-general
methanol-general
Fill in the words to complete each step in liquid spill cleanup.
, 1. absorbent material
2. plas c bag
3. solid waste container
4. detergent and water
When should lab par cipants look at the Safety Data Sheet (SDS) of a substance?
Before using the substance
Read the Safety Data Sheet (click SDS icon below) of hydrogen peroxide to iden fy the
recommended way to store this substance.
In a ghtly closed container in a dry and well-ven lated place
What informa on is necessary to review in order to be considered familiar with the Safety Data
Sheet (SDS) of a substance?
iden fica on and descrip on of substance
Hazard warnings
Personal protec on and first aid recommeda ons
Handling, storage, and reac vity informa on
If you drop or break glassware in lab, first ___ then, ___ Finally, place all that material into the
get thick gloves or dustpan
carefully collect all the broken glassware
broken glass container
Using the le9ers on the image, iden fy each component of the liquid waste set-up.
A
Funnel
B
container
C
label
D
container
Determine where to dispose of each type of waste.
trant solu on-
bo9le with cap
unused solid reagent- solid waste container
RATED A+ | NEW 2026
Iden fy the safety equipment designed to deal with each emergency listed.
cuts or minor burns- first aid kit
large fire on the bench top-fire ex nguisher
fire on a person- fire blanket
chemicals on clothes- safety shower
chemicals in eyes- eyewash sta on
Under what condi ons should a student inform the instructor of a lab injury?
The instructor must be informed of all laboratory injuries.
Iden fy the equipment best suited for ex nguishing each type of fire.
large fire on floor-fire ex nguisher
small benchtop fire-overturned beaker
clothing fire- fire blanket
What is the main precau on 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.
Which types of signs are posted to convey informa on about chemical storage?
hazard signs such as "flammable", "oxidizer", and "corrosive"
NFPA diamond
gas cylinder sign
iden fy the descrip on that applies to the substance represented by each NFPA diamond
red=0,blue=3,yellow=0,white=OX - oxidizer, not flammable
red=0,blue=3,yellow=2,white=... - moderately unstable or reac ve
red=3,blue=2,yellow=0,white=... - stable, has health risks but no special hazards
red=4,blue=2,yellow-0, white=..., - has a flash point below room temperature
Iden fy the types of informa on that are necessary to communicate with emergency
responders.
,any chemicals involved in an incident
any other hazards present in the lab
how the incident happened
Iden fy the step that is not recommended when responding to an emergency.
Gather your belongings.
When an alarm sounds in the laboratory, it is important to respond ____and remain ___Listen
for any other instruc ons, turn off any
____ in use, and be prepared to leave immediately.
calmly, quiet, equipment
In general, which characteris cs are necessary for a loca on to be suitable for chemical storage?
dark, dry, cool
What is generally the best approach when liquid from a large reagent bo9le is needed in an
experiment?
Pour some of the reagent from the bo9le into a beaker, then use as needed in the procedure.
Iden fy what each GHS symbol signifies about the type of chemical present in a bo9le or
storage cabinet.
two liquids being poured- corrosive, chemical
flame-flammable chemical
circle on fire-oxidizing chemical
How should spill cleaning materials be discarded?
Seal in a labeled plas c bag, then place in the solid waste container.
Most chemicals can be cleaned up with a general spill kit, but a few chemicals require
specialized spill procedures. For each substance listed, determine whether a general spill kit is
sufficient or if a specialized spill kit is needed.
hydrofluoric acid - special
mercury-special
phosphoric acid-general
acetone-general
methanol-general
Fill in the words to complete each step in liquid spill cleanup.
, 1. absorbent material
2. plas c bag
3. solid waste container
4. detergent and water
When should lab par cipants look at the Safety Data Sheet (SDS) of a substance?
Before using the substance
Read the Safety Data Sheet (click SDS icon below) of hydrogen peroxide to iden fy the
recommended way to store this substance.
In a ghtly closed container in a dry and well-ven lated place
What informa on is necessary to review in order to be considered familiar with the Safety Data
Sheet (SDS) of a substance?
iden fica on and descrip on of substance
Hazard warnings
Personal protec on and first aid recommeda ons
Handling, storage, and reac vity informa on
If you drop or break glassware in lab, first ___ then, ___ Finally, place all that material into the
get thick gloves or dustpan
carefully collect all the broken glassware
broken glass container
Using the le9ers on the image, iden fy each component of the liquid waste set-up.
A
Funnel
B
container
C
label
D
container
Determine where to dispose of each type of waste.
trant solu on-
bo9le with cap
unused solid reagent- solid waste container
