CHM113 Lab Safety Quiz With
Complete Solutions
When is it important to wear safety goggles in the laboratory? - ANSWER Any
time there are chemicals or laboratory equipment present in the lab.
When you read the label on a chemical container, what are the 3 most important
pieces of information? (Choose three answers.) - ANSWER the concentration,
the chemical name, any hazard warnings
What should you do with chemicals leftover after an experiment? - ANSWER
Dispose of any used or unused chemicals in the proper waste containers.
If you spill a liquid chemical, what is the first thing you should do? - ANSWER Tell
your teacher about the spill.
Should you add concentrated acid to water or add water to concentrated acid? -
ANSWER Add acid to water with constant stirring
Before hooking a Bunsen burner to the gas line, what should you do? - ANSWER
Check to make sure there are no cracks or holes in the connecting hose
When using a gas burner in the lab, what should you do if the flame sputters,
goes out, or you smell gas in the room? - ANSWER Turn off the gas source by
closing the stopcock.
When is it safe to use glassware that has cracks or stars? - ANSWER Never
True or False. It is safe to heat flammable liquids with a Bunsen burner as long
as it's done in a fume hood. - ANSWER False
What is the proper way to carry/move a heated object? - ANSWER With the
proper tongs/test tube holder or with hot mitts.
What types of shoes are appropriate for the lab? - ANSWER Hard shoes with
tops and closed toes.
What is the proper method to smell a chemical if required in lab? - ANSWER
Place your nose away from the mouth of the container and gently waft the odor
toward your nose.
Complete Solutions
When is it important to wear safety goggles in the laboratory? - ANSWER Any
time there are chemicals or laboratory equipment present in the lab.
When you read the label on a chemical container, what are the 3 most important
pieces of information? (Choose three answers.) - ANSWER the concentration,
the chemical name, any hazard warnings
What should you do with chemicals leftover after an experiment? - ANSWER
Dispose of any used or unused chemicals in the proper waste containers.
If you spill a liquid chemical, what is the first thing you should do? - ANSWER Tell
your teacher about the spill.
Should you add concentrated acid to water or add water to concentrated acid? -
ANSWER Add acid to water with constant stirring
Before hooking a Bunsen burner to the gas line, what should you do? - ANSWER
Check to make sure there are no cracks or holes in the connecting hose
When using a gas burner in the lab, what should you do if the flame sputters,
goes out, or you smell gas in the room? - ANSWER Turn off the gas source by
closing the stopcock.
When is it safe to use glassware that has cracks or stars? - ANSWER Never
True or False. It is safe to heat flammable liquids with a Bunsen burner as long
as it's done in a fume hood. - ANSWER False
What is the proper way to carry/move a heated object? - ANSWER With the
proper tongs/test tube holder or with hot mitts.
What types of shoes are appropriate for the lab? - ANSWER Hard shoes with
tops and closed toes.
What is the proper method to smell a chemical if required in lab? - ANSWER
Place your nose away from the mouth of the container and gently waft the odor
toward your nose.
