If you get chemicals in your eye, you should wash out your eyes for -
10 minutes.
20 minutes.
3 minutes.
5 minutes.
All of the following are safe laboratory procedures except -
securing all loose clothing & hair before lighting a Burner
returning unused samples to the original container
reading and rereading the laboratory instructions
handling any potential hot beaker with beaker tongs
In order to test the odor of fumes, you should -
place your nose directly over the opening of the container.
take a deep breath and inhale.
gently wave the fumes toward your nose.
heat the substance before smelling it.
You have heated a piece of glass and want to pick it up. You should -
use tongs.
use a rag or paper towel.
pour cold water on it.
pick up the end that looks cooler.
If a laboratory fire erupts, immediately -
throw water on the fire.
open the windows.
notify your teacher.
run for the fire extinguisher.
an acid is splashed on your skin or in your eyes, rinse the affected area at once with -
oil.
soap.
plenty of water.
weak base.
What area in the diamond of the NFPA chemical hazard label provides information on the chemical reactivity of the material?
Yellow
White
Red
Blue
MSDS (SDS) is an abbreviation for -
Multiple Safety Data Sheet
Management Safety Data Sheet
Material Storage Data Sheet
Material Safety Data Sheet
When you are heating a substance in a test tube, you should always point the open end of the tube -
away from all people.
toward yourself.
toward another classmate.
toward your partner.
What area in the diamond of the NFPA chemical hazard label provides information on the flammability of the material?
Red
Yellow
Blue
White
Horseplay and practical jokes in the laboratory are -
not dangerous.
always against the rules.
okay.
okay if you are working alone.
If a piece of equipment is not working properly, stop, turn it off, and tell -
your science teacher.
your best friend in class.
the custodian.
your lab partner.
When gathering glassware and equipment for an experiment, you should -
examine all glassware to check for chips or cracks.
read all directions carefully to know what equipment youneed
do all of the above.
clean any glassware that appears dirty.
The proper procedure for diluting an acid is to -
quickly add the acid to the water
slowly add the acid to the water
slowly add the water to the acid
quickly add the water to the acid
You have been injured in the laboratory. First you should -
tell the science teacher immediately.
see a doctor after school.
apply first aid yourself.
visit the school nurse after class.
Which number on the Hazard Coding system label indicates the greatest hazard?
1
3
4
2
After completing an experiment, all chemical wastes should be -
left at your lab station for the next class.
disposed of according to your teacher’s directions.
poured down the sink.
taken home.
Which of the following should not be worn in the laboratory?
Loose clothing
Sandals
All of the above
Loose long hair
Goggles are worn in the laboratory -
any time chemicals, heat or glassware are used.
only if you don’t have corrective glasses.
to improve your vision.
to avoid eye strain.
Flammable materials, like alcohol, should never be dispensed or used near
an open door.
another student.
an open flame.
a sink.