Flammable materials, like alcohol, should never be dispensed or used near?
fire/open flames/heat
when heating a substance in a test-tube you should always point the open end?
away from others
You want to place a piece of glass tubing into a rubber stopper after the tubing has been fire polished and cooled. This is best done by?
lubricate tubing with water, use a towel or gloves for protection, twist tubing carefully
What is the lab rule for open toes shoes?
Should not be worn
if you do not understand the directions you should?
ask the teacher
what should you do if a lab fire erupts?
get out and inform teacher
what is the first thing you should do if you have been injured in the lab ?
inform the teacher
if some type of chemical or anything from the lab happens to get into the eye what must one do?
Go to the eye wash station and wash your eyes thoroughly; make sure to keep your eyes open during this process in order to clean well
Horseplay and practical jokes in the lab are
not allowed
after completing an experiment all chemical wastes should be
disposed of according to teacher's instructions
when should approved eye protection devices be worn in the lab?
When using chemicals or heat
What is the lab rule for dangling jewelry?
take it off
Long hair must be?
tied back
if a piece of equipment is not working properly you should?
inform the teacher
To wear safety goggles means to wear them on your head?
false- if given goggles wear them on eyes at all times unless instructed to take them off or even given the option to wear them.
what should you do if a lab is not completed?
inform the teacher
when gathering glassware and equipment for an experiment, you should ________ before using
be careful and check for cracks and broken glass
what is the lab rule for loose clothing?
tie back somehow
If an acid is spilled on your skin you should wash at once with
plenty of water
Return all unused chemicals to their original containers
False- let the teacher dispose of them