CHEM 1AL LABFLOW QUIZZES
COMPLETE QUESTIONS WITH VERIFIED
ANSWERS
/. If a large amount of a caustic chemical spills on your clothes, or if your clothing
catches on fire, you need to use the: - Answer-✅Safety Shower
/.Determine when you should remove your goggles in the lab room. - Answer-✅When
everyone in the room is done handling any chemicals or glassware
/.Acids and bases, such as NaOH and HCl, are strong and can cause burns. In case of
contact with your skin, rinse immediately with _____. - Answer-✅tongs, water, water.
/.What should be done if a chemical gets in one of your eyes? Select any applicable
answer. - Answer-✅Use the eyewash station, 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 precautions should you take with long hair? - Answer-✅Long hair must be
secured with a rubber band, barette, or headband.
/.How do you dispose of broken glassware, such as a broken test tube or beaker that
contains a chemical residue? - Answer-✅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? - Answer-✅fume hood, label, trash.
/.What should you do with chemical waste when the waste jar in the hood is filled to the
bottom of the neck? - Answer-✅Ask the stock room personnel to bring another waste
jar.
/.The lid on a waste jar should never be tight, and a waste jar should not be filled past
the bottom of the neck. Why not? - Answer-✅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? - Answer-✅No, only long pants are allowed.
, /.What do you do if a strong acid is spilled on a counter or in the fume hood? - Answer-
✅Notify the TA, or Use sodium bicarbonate to neutralize the acid and notify the TA.
/.What precautions should you take if you boil or heat a solution? - Answer-✅You should
never leave the solution unattended.
As long as you watch the solution closely, you can work on other parts of the
experiment.
When boiling a solution, you should use boiling chips to prevent splattering.
You should always wear eye protection and secure long hair.
You should make sure the beaker or flask rests securely on the ring stand or hot plate.
/.To activate the safety shower, pull down on the _____. - Answer-✅handle
/.To activate the eyewash, push the _____ towards the wall. - Answer-✅lever
/.1 km - Answer-✅1000 m (23)
/.1 m - Answer-✅100 cm (e2)
/.1 L - Answer-✅1000 mL (e3)
/.1 kg - Answer-✅1000 g (e3)
/.1 g - Answer-✅1000 mg (e3)
/.1 g - Answer-✅1000000 mcg (e6)
/.1 yd - Answer-✅3 ft
/.While setting up a beaker to boil a solution on a hot plate, you notice that the stirring is
erratic and unstable. What should you do to stabilize the stirring solution? - Answer-
✅Move the beaker to the center of the hot plate. Turn down the stirring speed.
/.When heating a solution to boiling on a hot plate, start by ____. Then, turn the heat to
______ to start. If necessary, ____ after waiting about ten minutes without seeing
boiling. - Answer-✅starting and stabilizing the stir function, a medium heat setting, turn
up the heat setting.
/.Which procedure cannot be performed on a hot plate, requiring a Bunsen burner
instead? - Answer-✅Heating a crucible to remove water from a hydrate
COMPLETE QUESTIONS WITH VERIFIED
ANSWERS
/. If a large amount of a caustic chemical spills on your clothes, or if your clothing
catches on fire, you need to use the: - Answer-✅Safety Shower
/.Determine when you should remove your goggles in the lab room. - Answer-✅When
everyone in the room is done handling any chemicals or glassware
/.Acids and bases, such as NaOH and HCl, are strong and can cause burns. In case of
contact with your skin, rinse immediately with _____. - Answer-✅tongs, water, water.
/.What should be done if a chemical gets in one of your eyes? Select any applicable
answer. - Answer-✅Use the eyewash station, 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 precautions should you take with long hair? - Answer-✅Long hair must be
secured with a rubber band, barette, or headband.
/.How do you dispose of broken glassware, such as a broken test tube or beaker that
contains a chemical residue? - Answer-✅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? - Answer-✅fume hood, label, trash.
/.What should you do with chemical waste when the waste jar in the hood is filled to the
bottom of the neck? - Answer-✅Ask the stock room personnel to bring another waste
jar.
/.The lid on a waste jar should never be tight, and a waste jar should not be filled past
the bottom of the neck. Why not? - Answer-✅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? - Answer-✅No, only long pants are allowed.
, /.What do you do if a strong acid is spilled on a counter or in the fume hood? - Answer-
✅Notify the TA, or Use sodium bicarbonate to neutralize the acid and notify the TA.
/.What precautions should you take if you boil or heat a solution? - Answer-✅You should
never leave the solution unattended.
As long as you watch the solution closely, you can work on other parts of the
experiment.
When boiling a solution, you should use boiling chips to prevent splattering.
You should always wear eye protection and secure long hair.
You should make sure the beaker or flask rests securely on the ring stand or hot plate.
/.To activate the safety shower, pull down on the _____. - Answer-✅handle
/.To activate the eyewash, push the _____ towards the wall. - Answer-✅lever
/.1 km - Answer-✅1000 m (23)
/.1 m - Answer-✅100 cm (e2)
/.1 L - Answer-✅1000 mL (e3)
/.1 kg - Answer-✅1000 g (e3)
/.1 g - Answer-✅1000 mg (e3)
/.1 g - Answer-✅1000000 mcg (e6)
/.1 yd - Answer-✅3 ft
/.While setting up a beaker to boil a solution on a hot plate, you notice that the stirring is
erratic and unstable. What should you do to stabilize the stirring solution? - Answer-
✅Move the beaker to the center of the hot plate. Turn down the stirring speed.
/.When heating a solution to boiling on a hot plate, start by ____. Then, turn the heat to
______ to start. If necessary, ____ after waiting about ten minutes without seeing
boiling. - Answer-✅starting and stabilizing the stir function, a medium heat setting, turn
up the heat setting.
/.Which procedure cannot be performed on a hot plate, requiring a Bunsen burner
instead? - Answer-✅Heating a crucible to remove water from a hydrate
