Quiz 1 : Safety Review
What information does not need to be included on a chemical waste label?
A description of the experiment the chemicals were used for
What are the best practices for safely handling waste in the lab?
Always wear appropriate Personal Protective Equipment. Check labels or instructions before any disposal
Identify the section in which each type of information can be found on a Safety Data Sheet. chemical name and formula
Identification
What information is needed in order to be prepared for an emergency?
Location of lab phone and first aid kit Understanding of where to go should an emergency occur Location of all exits Contact information for emergency personnel
Why should Bunsen burners not be used when heating organic materials?
Many organic materials are flammable and could cause a fire.
hydrogen peroxide, then identify the best course of action for each type of chemical exposure. If inhaled
Move person to fresh air.
What should you do after finishing work with a reagent bottle?
Return the bottle to its proper storage location. Close the bottle.
hydrogen peroxide, then identify the best course of action for each type of chemical exposure. If swallowed
Rinse mouth with water.
For each substance listed, determine whether a general spill kit is sufficient or if a specialized spill kit is needed. Hydrofluoric Acid
Special
For each substance listed, determine whether a general spill kit is sufficient or if a specialized spill kit is needed. Mercury
Special
hydrogen peroxide, then identify the best course of action for each type of chemical exposure. In case of skin contact
Take off any contaminated clothing and rinse thoroughly
Under what conditions should a student inform the instructor of a lab injury?
The instructor must be informed of all laboratory injuries.
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.
Identify the equipment best suited for extinguishing each type of fire. large fire on floor
fire extinguisher
Identify the safety equipment designed to deal with each emergency listed. cuts or minor burns
first aid kit
Identify the equipment best suited for extinguishing each type of fire. small benchtop fire
overturned beaker
Identify the safety equipment designed to deal with each emergency listed. chemicals on clothes
safety shower
Determine where to dispose of each type of waste. syringe tips
syringe tips
hydrogen peroxide, then identify the best course of action for each type of chemical exposure. In case of eye contact
Rinse with water for 15 minutes.
Using the letters on the image, identify each component of the liquid waste set-up.
A Funnel B Primary container C Waste label D Secondary container
Which is NOT a good source of information about the hazards that affect waste disposal in a chemistry lab?
Your lab partner
How should students prepare to use chemicals in the lab?
Become familiar with the chemicals to be used, including exposure or spill hazards. Locate the spill kits and understand how they are used.
Determine where to dispose of each type of waste. broken flask
Box lined with puncture resistant bag
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, Quiet, Equipment
A student removes a chemical sample from a reagent bottle to be used in an experiment. What should he do with any excess chemical remaining from this sample after the experiment is complete?
Check and see if anyone else can use the chemical. If not, discard in the proper waste container.
Identify the section in which each type of information can be found on a Safety Data Sheet. recommended personal protective equipment (PPE)
Exposure Controls/Personal Protection
Identify the section in which each type of information can be found on a Safety Data Sheet. recommendations in case of accidental contact with the chemical
First Aid Measures
Identify the step that is not recommended when responding to an emergency.
Gather your belongings.
For each substance listed, determine whether a general spill kit is sufficient or if a specialized spill kit is needed. Acetone
General
For each substance listed, determine whether a general spill kit is sufficient or if a specialized spill kit is needed. Methanol
General
For each substance listed, determine whether a general spill kit is sufficient or if a specialized spill kit is needed. Phosphoric acid
General
Identify the section in which each type of information can be found on a Safety Data Sheet. incompatibility or reactivity with other chemicals
Handling and Storage
Which types of signs are posted to convey information about chemical storage?
Hazard signs such as "Flammable," "Oxidizer," and "Corrosive" National Fire Protection Association (NFPA) diamond Gas Cylinder sign
Identify the section in which each type of information can be found on a Safety Data Sheet. possible dangers and health effects
Hazards Identification
What information is necessary to review in order to be considered familiar with the Safety Data Sheet (SDS) of a substance?
Identification and description of substance Personal protection and first aid recommendations Hazard warnings Handling, storage, and reactivity information
Determine where to dispose of each type of waste. titrant solution
Nalgene bottle with cap
What is generally the best approach when liquid from a large reagent bottle is needed in an experiment?
Pour some of the reagent from the bottle into a beaker, then use as needed in the procedure.
Which signs are typically posted in areas of active lab work?
Safety equipment signs Sign prohibiting food and drink Personal protective equipment (PPE) sign Chemical storage signs
How should spill cleaning materials be discarded?
Seal in a labeled plastic bag, then place in the solid waste container.
Determine where to dispose of each type of waste. unused solid reagent
Solid waste container
Changing gloves often will minimize the spread of chemicals. To properly remove gloves, first,_________,and then, ___________. THen insert ___________between the interior edge of the second glove and the skin, and remove the second glove.
between the interior edge of the second glove and the skin, and remove the second glove ,peel off the first glove, a bare finger
Identify the safety equipment designed to deal with each emergency listed. chemicals in eyes
eyewash station
Identify the equipment best suited for extinguishing each type of fire. clothing fire
fire blanket
Identify the safety equipment designed to deal with each emergency listed. fire on a person
fire blanket
Identify the safety equipment designed to deal with each emergency listed. large fire on the benchtop
fire extinguisher
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