Chem 1a Labflow Questions With Complete 100%
Solutions Already Graded A+
Identify the safety equipment designed to deal with each emergency
listed. - (ANSWER)cuts or minor burns- first aid kit
large fire on the bench top-fire extinguisher
fire on a person- fire blanket
chemicals on clothes- safety shower
chemicals in eyes- eyewash station
Under what conditions should a student inform the instructor of a lab injury? - (ANSWER)The instructor
must be informed of all laboratory injuries.
Identify the equipment best suited for extinguishing each type of fire. - (ANSWER)large fire on floor-fire
extinguisher
small benchtop fire-overturned beaker
clothing fire- fire blanket
What is the main precaution to take if a Gas Cylinder sign is present in the lab? - (ANSWER)Visually
check that the gas cylinder is restrained but keep a safe distance from it.
Which types of signs are posted to convey information about chemical storage? - (ANSWER)hazard signs
such as "flammable", "oxidizer", and "corrosive"
NFPA diamond
gas cylinder sign
identify the description that applies to the substance represented by each NFPA diamond -
(ANSWER)red=0,blue=3,yellow=0,white=OX - oxidizer, not flammable
, Chem 1a Labflow Questions With Complete 100%
Solutions Already Graded A+
red=0,blue=3,yellow=2,white=... - moderately unstable or reactive
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
Identify the types of information that are necessary to communicate with emergency responders. -
(ANSWER)any chemicals involved in an incident
any other hazards present in the lab
how the incident happened
Identify the step that is not recommended when responding to an emergency. - (ANSWER)Gather your
belongings.
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. - (ANSWER)calmly, quiet, equipment
In general, which characteristics are necessary for a location to be suitable for chemical storage? -
(ANSWER)dark, dry, cool
What is generally the best approach when liquid from a large reagent bottle is needed in an
experiment? - (ANSWER)Pour some of the reagent from the bottle into a beaker, then use as needed in
the procedure.
Identify what each GHS symbol signifies about the type of chemical present in a bottle or storage
cabinet. - (ANSWER)two liquids being poured- corrosive, chemical
flame-flammable chemical
circle on fire-oxidizing chemical
, Chem 1a Labflow Questions With Complete 100%
Solutions Already Graded A+
How should spill cleaning materials be discarded? - (ANSWER)Seal in a labeled plastic 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. - (ANSWER)hydrofluoric acid - special
mercury-special
phosphoric acid-general
acetone-general
methanol-general
Fill in the words to complete each step in liquid spill cleanup. - (ANSWER)1. absorbent material
2. plastic bag
3. solid waste container
4. detergent and water
When should lab participants look at the Safety Data Sheet (SDS) of a substance? - (ANSWER)Before
using the substance
Read the Safety Data Sheet (click SDS icon below) of hydrogen peroxide to identify the recommended
way to store this substance. - (ANSWER)In a tightly closed container in a dry and well-ventilated place
What information is necessary to review in order to be considered familiar with the Safety Data Sheet
(SDS) of a substance? - (ANSWER)identification and description of substance
Hazard warnings
Personal protection and first aid recommedations
Handling, storage, and reactivity information
Solutions Already Graded A+
Identify the safety equipment designed to deal with each emergency
listed. - (ANSWER)cuts or minor burns- first aid kit
large fire on the bench top-fire extinguisher
fire on a person- fire blanket
chemicals on clothes- safety shower
chemicals in eyes- eyewash station
Under what conditions should a student inform the instructor of a lab injury? - (ANSWER)The instructor
must be informed of all laboratory injuries.
Identify the equipment best suited for extinguishing each type of fire. - (ANSWER)large fire on floor-fire
extinguisher
small benchtop fire-overturned beaker
clothing fire- fire blanket
What is the main precaution to take if a Gas Cylinder sign is present in the lab? - (ANSWER)Visually
check that the gas cylinder is restrained but keep a safe distance from it.
Which types of signs are posted to convey information about chemical storage? - (ANSWER)hazard signs
such as "flammable", "oxidizer", and "corrosive"
NFPA diamond
gas cylinder sign
identify the description that applies to the substance represented by each NFPA diamond -
(ANSWER)red=0,blue=3,yellow=0,white=OX - oxidizer, not flammable
, Chem 1a Labflow Questions With Complete 100%
Solutions Already Graded A+
red=0,blue=3,yellow=2,white=... - moderately unstable or reactive
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
Identify the types of information that are necessary to communicate with emergency responders. -
(ANSWER)any chemicals involved in an incident
any other hazards present in the lab
how the incident happened
Identify the step that is not recommended when responding to an emergency. - (ANSWER)Gather your
belongings.
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. - (ANSWER)calmly, quiet, equipment
In general, which characteristics are necessary for a location to be suitable for chemical storage? -
(ANSWER)dark, dry, cool
What is generally the best approach when liquid from a large reagent bottle is needed in an
experiment? - (ANSWER)Pour some of the reagent from the bottle into a beaker, then use as needed in
the procedure.
Identify what each GHS symbol signifies about the type of chemical present in a bottle or storage
cabinet. - (ANSWER)two liquids being poured- corrosive, chemical
flame-flammable chemical
circle on fire-oxidizing chemical
, Chem 1a Labflow Questions With Complete 100%
Solutions Already Graded A+
How should spill cleaning materials be discarded? - (ANSWER)Seal in a labeled plastic 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. - (ANSWER)hydrofluoric acid - special
mercury-special
phosphoric acid-general
acetone-general
methanol-general
Fill in the words to complete each step in liquid spill cleanup. - (ANSWER)1. absorbent material
2. plastic bag
3. solid waste container
4. detergent and water
When should lab participants look at the Safety Data Sheet (SDS) of a substance? - (ANSWER)Before
using the substance
Read the Safety Data Sheet (click SDS icon below) of hydrogen peroxide to identify the recommended
way to store this substance. - (ANSWER)In a tightly closed container in a dry and well-ventilated place
What information is necessary to review in order to be considered familiar with the Safety Data Sheet
(SDS) of a substance? - (ANSWER)identification and description of substance
Hazard warnings
Personal protection and first aid recommedations
Handling, storage, and reactivity information
