CHEMLAB SAFETY Flashcards
is a workplace that facilitates discovery and learning.
The chemistry laboratory (lab)
It is a crucial part of the chemistry course to understand a principle/concept in chemistry.
A lab activity
it can be a place that may pose danger if precautions are not taken while working.
Chemistry laboratory (lab)
True/False
It is not required for a student to develop a solid background in lab safety and as one performs any lab activity.
False
It is required for a student to develop a solid background in lab safety.
is the “rule of thumb” in any lab workplace.
SAFETY FIRST
The student should develop _____ to ensure a safe lab environment for both themselves and the rest of the group they may be working with.
Safety Work Ethics
ATTIRE
Wear and use proper _____.
Personal Protective Equipment (PPE)
ATTIRE
The _________ must be worn at all times while in the lab. This rule applies to all students inside the premises of the lab, whether the student is handling chemicals or
not. (2)
- Prescribed lab gowns
- Safety goggles
ATTIRE
TRUE/FALSE
Wearing contact lenses during experiments is acceptable as long as you wear safety goggles.
False
Reason: Fumes from volatile chemicals may accumulate under the contact lens even when wearing safety goggles
This may cause serious injuries or even blindness.
ATTIRE
True/False
In the lab, minimize skin exposure inside the premises of the laboratory. Closed toe shoes and long pants must be worn in the lab. Sandals and shorts are not allowed.
True
ATTIRE
What should ladies or people with long hair do when they are in the lab?
For ladies, long hair must be tied back when performing lab experiments.
CONDUCT
True/False
Eating and drinking are permissible inside the lab when hungry.
False
Reason:
Eating and drinking are strictly prohibited inside the lab.
CONDUCT
TRUE/FALSE
Only the designated experiments should be performed. Do no try any procedure not covered in the experiment. Consult with your lab instructor if you have questions, clarifications or suggestions about the procedure.
True
CONDUCT
TRUE/FALSE
Never attempt to taste anything or put anything used in the experiment into your mouth.
True
CONDUCT
TRUE/FALSE
Avoid inhaling or stiffing any vapor or volatiles direct from the stock bottle. However, if the procedure requires it, you can place your face not too near but not too far to the stock bottle, just enough to smell.
False
Reason:
If the procedure requires it, use your cupped hand to waft a small amount sample towards your nose.
CONDUCT
TRUE/FALSE
Bags and other belongings unnecessary for the experiment should be placed in the bag rack. Beware that lab chemicals may damage your personal possessions.
True
CONDUCT
TRUE/FALSE
Always wash your hands with soap and water after handling chemicals and after leaving the lab
False
Reason:
Wash BEFORE leaving the lab
CONDUCT
TRUE/FALSE
Learn where to find the safety and FIRST-aid equipment. This includes fire extinguisher, showers, and eye-wash stations.
True
CONDUCT
Who do you notify immediately in case of an accident?
Instructor
PROPER HANDLING OF CHEMICALS AND EQUIPMENT
TRUE/FALSE
Consider all chemicals to be hazardous unless instructed. Take note of the chemical precautions specified in each experiment.
True
PROPER HANDLING OF CHEMICALS AND EQUIPMENT
TRUE/FALSE
Take note of the chemicals and the amount needed for the experiment. Carefully read the label once before taking anything from its container. If in doubt about the label, ask your instructors before using it or consult the Material Safety Data Sheets (MSDS)
False
Reason:
You should always read the label TWICE (everything else stated besides that is correct though hehe)
PROPER HANDLING OF CHEMICALS AND EQUIPMENT
TRUE/FALSE
DO NOT bring the reagent bottles to the working table.
True
PROPER HANDLING OF CHEMICALS AND EQUIPMENT
TRUE/FALSE
Always keep the container of the stock bottles covered after use.
True
PROPER HANDLING OF CHEMICALS AND EQUIPMENT
TRUE/FALSE
Avoid getting excess reagents. Just get enough reagents needed for the experiment.
True
PROPER HANDLING OF CHEMICALS AND EQUIPMENT
TRUE/FALSE
Volatile solvents like some alcohols and acetone, are highly flammable. Use them with EXTREME CAUTION near open flames.
False
Reason:
Volatile solvents like some alcohols and acetone, are highly flammable. DO NOT use them anywhere near open flames.
PROPER HANDLING OF CHEMICALS AND EQUIPMENT
TRUE/FALSE
Always pour water into acids. If you pour acid into water, a violent reaction of the acid may cause the acid to spatter.
False
Reason:
Always pour ACIDS into WATER. If you pour WATER into ACID, a violent reaction of the acid may cause the acid to spatter.
PROPER HANDLING OF CHEMICALS AND EQUIPMENT
TRUE/FALSE
If chemicals come into contact with your skin or eyes, flush immediately with water and consult with your instructor.
True
PROPER HANDLING OF CHEMICALS AND EQUIPMENT
TRUE/FALSE
Never point a test tube or any vessel that is being heated at yourself or fellow students as it may violently erupt and cause harm.
True
PROPER HANDLING OF CHEMICALS AND EQUIPMENT
TRUE/FALSE
Dispose of chemicals properly. Waste bottles will be provided for specific chemicals. Unless you are explicitly told otherwise, DO NOT dispose of any chemicals in the sink.
True
PROPER HANDLING OF CHEMICALS AND EQUIPMENT
TRUE/FALSE
Inform the lab instructors of any broken glassware. DO NOT use bare hands to clean up the broken glass. Ask the assistance of the technicians to dispose the breakages.
True
PROPER HANDLING OF CHEMICALS AND EQUIPMENT
TRUE/FALSE
Contact the stockroom for clean-up of hazardous spills.
True
PROPER HANDLING OF CHEMICALS AND EQUIPMENT
TRUE/FALSE
Never leave burners unattended. Turn them off whenever you leave your workstation.
True
PROPER HANDLING OF CHEMICALS AND EQUIPMENT
Why do we need to be double check the glassware?
Hot glasswares look like cold glasswares
PROPER HANDLING OF CHEMICALS AND EQUIPMENT
Cameras and other electronic gadgets may only be allowed if approved by the lab instructors.
True
PROPER HANDLING OF CHEMICALS AND EQUIPMENT
Be sure that the _____ are shut all when leaving the lab. (2)
Gas and water valves
PROPER HANDLING OF CHEMICALS AND EQUIPMENT
TRUE/FALSE
Always keep the reagent and apparatus station clean.
True
PROPER HANDLING OF CHEMICALS AND EQUIPMENT
TRUE/FALSE
Before leaving the lab, make sure that the working area is clean and chairs are properly arranged.
True
PROPER HANDLING OF CHEMICALS AND EQUIPMENT
TRUE/FALSE
Do not leave the lab without the permission of the lab instructor
True
SAFETY EVACUATION
What should you do during emergency circumstances?
Do not panic and refer to the instructions of the lab instructors.
SAFETY EVACUATION (FIRE)
True/False
Remain calm and alert others to assist with evacuation Do not panic and communicate clearly and succinctly.
True
SAFETY EVACUATION (FIRE)
True/False
If possible, turn off main gas valve, water and electrical equipment used inside the lab
True
SAFETY EVACUATION (FIRE)
True/False
Calmly leave the lab through the nearest marked exit and alert others to do the same. Use the near elevators to go down faster.
False
Reason:
DO NOT use the elevators
SAFETY EVACUATION (FIRE)
True/False
If possible, take all of your belongings with you.
False
Reason:
Only take what’s important
SAFETY EVACUATION (FIRE)
True/False
Leave persons with disabilities or special needs. You are not qualified, wait for the professionals.
False
Reason:
Assist persons with disabilities or special needs.
SAFETY EVACUATION (FIRE)
True/False
Once outside, run as far away as you can.
False
Reason:
Once outside, proceed to the predetermined assembly area.
SAFETY EVACUATION (FIRE)
True/False
Do not re-enter the building until emergency officers gives the “all clear” signal
True
SAFETY EVACUATION (EARTHQUAKE)
True/False
When a quake is felt remain calm and alert others to assist with evacuation. DO NOT panic and communicate clearly and succinctly, Duck, cover, and hold.
True
SAFETY EVACUATION (EARTHQUAKE)
True/False
Calmly leave the lab through the nearest marked exit and alert others to do the same.
Have something to cover your head from falling debris. Run; DO NOT walk and DO NOT use the elevators.
False
Reason:
Walk; DO NOT run and DO NOT use the elevators.
SAFETY EVACUATION (EARTHQUAKE)
True/False
Follow evacuation instructions and keep exiting groups together.
True
SAFETY EVACUATION (EARTHQUAKE)
True/False
The assigned class safety officer will be the last to leave, making sure that no one is left inside the lab. Doors should be closed, but left unlocked.
True
SAFETY EVACUATION (EARTHQUAKE)
True/False
Once outside, proceed to the predetermined assembly areas. Move away from the building and await further instructions.
True
SAFETY EVACUATION (EARTHQUAKE)
True/False
Do not re enter the building until emergency officer gives the “all clear” signals.
True
is a document which provides detailed and comprehensive information a reagent of controlled chemical products. It can be written and printed to make it available to the user.
Material Safety Data Sheet
MSDS
True/False
The MSDS can Be searched online or requested from the person in charge of the lab supplies
True
What does the MSDS contain? (4)
It contains the following information:
•health effects when exposed to the product
•hazard of product’s handling, storage, and use
• ways to protect workers at risk of exposure
•what to do in case of emergency
serves as a reference to user and emergency response personnel regarding a particular chemical product.
The National Fire Protection Association (NFPA) rating
can be seen in the label or in the form of a hazard diamond sticker attached to container.
NFPA rating
Chemical substances are rated for degree:
What is blue diamond?
HEALTH RISK
Chemical substances are rated for degree:
What is red diamond?
FLAMMABILITY
Chemical substances are rated for degree:
What is yellow diamond?
REACTIVITY
is used to indicate the presence of large quantities of chemicals possessing unusual water reactivity (W) or oxidative capability (oxy).
White diamond
