Quizzes|With complete solu#on| updated
If a large amount of a caus c chemical spills on your clothes, or if your clothing catches on fire,
you need to use the:
Safety Shower
Determine when you should remove your goggles in the lab room.
When everyone in the room is done handling any chemicals or glassware
To handle a hot glass beaker, it is best to use _____.
If you burn yourself, immediately rinse the area with _____.
Acids and bases, such as NaOH and HCl, are strong and can cause burns. In case of contact with
your skin, rinse immediately with _____.
tongs, water, water.
What should be done if a chemical gets in one of your eyes? Select any applicable answer.
Use the eyewash sta on, being careful not to rub your eye. Use a flexible hose on a faucet to
rinse your eye, being careful not to rub your eye.
What precau ons should you take with long hair?
Long hair must be secured with a rubber band, bare-e, or headband.
How do you dispose of broken glassware, such as a broken test tube or beaker that contains a
chemical residue?
Place in the red can labeled "glass only".
All chemical waste in the lab is disposed of in an appropriate waste jar located in the _____.
Before you pour chemical waste into a waste jar, you must first read the _____.
How will you dispose of non-toxic waste?
fume hood, label, trash.
, What should you do with chemical waste when the waste jar in the hood is filled to the bo-om
of the neck?
Ask the stock room personnel to bring another waste jar.
The lid on a waste jar should never be ght, and a waste jar should not be filled past the bo-om
of the neck. Why not?
To ensure that the waste can be easily accessed, and that there is ample room for the waste and
its vapors.
Are shorts allowed in the lab?
No, only long pants are allowed.
What do you do if a strong acid is spilled on a counter or in the fume hood?
No fy the TA, or Use sodium bicarbonate to neutralize the acid and no fy the TA.
What precau ons should you take if you boil or heat a solu on?
You should never leave the solu on una-ended.
As long as you watch the solu on closely, you can work on other parts of the experiment.
When boiling a solu on, you should use boiling chips to prevent spla-ering.
You should always wear eye protec on and secure long hair.
You should make sure the beaker or flask rests securely on the ring stand or hot plate.
To ac vate the safety shower, pull down on the _____.
handle
To ac vate the eyewash, push the _____ towards the wall.
lever
1 km
1000 m (23)
1m
100 cm (e2)