General Rules
If you do not understand a direction or part of a procedure, what should you do?
Ask the instructor before proceeding in procedure.
When working with chemicals, heat, or glassware, what must students wear?
Laboratory goggles. No exceptions!
What should you do if a student spills a chemical onto the floor or if a student burned themselves?
Report the accident to the instructor ASAP.
What should be checked twice before removing any of the contents?
The label on the chemical bottles.
If something is broken what should you do?
Never handle broken glass with your bare hands. Use a brush and dustpan to clean up broken glass. Place broken or waste glassware in the designated glass disposal container.
Today is a lab day, but the teacher is not present. What should you not do?
Never work alone without an instructor present.
True or False?
Contact lenses can always be worn during lab.
False.
They can only be worn if teacher permits it and if there are adequate face and eye protection.
What should you yell out if you or your lab partner are hurt?
Immediately yell out "Code one, Code one" to get the instructor's attention.
True or False. If you do not use up all the chemicals for a lab, it is safe to return the chemicals to their original containers.
False. It is not safe. The unused chemicals may have been contaminated.
Examine/Check it before each use because it might be broken, chipped, dirty, or cracked.
What is the rule about food during lab?
Do not eat food, drink beverages, or chew gum in the laboratory, Do not use laboratory glassware as containers for food or beverages.
What should you if you have long hair, dangling jewelry or baggy clothing?
Tie the long hair back, tie the dangling jewelry back or remove it, and loose or baggy clothing must be secured.
If a chemical splashes in your eye(s) or on your skin, what should you do?
Immediately flush with running water from the eyewash station or safety shower for at least 20 minutes. Notify instructor immediately.
When transferring reagents from one container to another, what should you do?
Hold the containers away from your body.
If some equipment looks damaged, is not working properly, what should you do?
Stop using it (if you were using it), report damaged equipment.
Horseplay, practical jokes, or pranks in the classroom are _________ ?
What kind of footwear is not allowed during lab?
Sandals, or any shoes that do not completely cover the foot.
When mercury thermometers are broken, what should you do?
Mercury must not be touched. Notify instructor immediately.
What should you never do concerning chemicals or other materials from the laboratory area?
Remove chemicals or other materials.
When using a gas burner or a lit burner, what should you do?
Make sure hair, clothing and hands are at a safe distance from flame at all times. Do not reach over exposed flame. Light it up when instructed. Never leave burner unattended. Turn off when not in use.
_____ and ______ instructions must be read carefully before use.
Labels and equipment
What happens if you were sandals to class?
You will not be able to participate in lab.
If someone catches on fire, what should you do?
Grab the fire blanket, put it over flame, and notify instructor.
What should you do when transporting acids and other chemicals from one part of the laboratory to another?
Hold them securely and walk carefully.
If Heated metals and glass remain hot for a long time. What is the likelihood that you would be able to pick it up safely with bare hands?
0%. The metals and glass would definitely cause you harm if you attempted to pick up hot glassware without the proper equipment (gloves/tongs).