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