When you read the label on a chemical container, what are the three most
important pieces of information?
Name, concentration, and hazard warning
How many times should you read the information of a chemical container before
you open the container?
Twice
Is it important to be exact when preparing a chemical reaction? Explain
Yes, chemicals react differently with different amounts. It may produce unwanted
results.
What should you do with leftover chemicals after an experiment? What should
you do with the products of an experiment?
Dispose of each in the proper waste container
How can you draw small volumes of liquids into a pipette safely?
Use pipette bulb or pipette pump
Why is it important to read instructions all the way through before beginning an
experiment?
To make sure you understand the experiment and you can check if something is going
wrong with the experiment
If you spill a liquid chemical, what should you do?
Report spills immediately, stay away, and let the TA clean it up.
Should you add acid to water, or water to acid?
Acid to water
Before attaching a Bunsen burner to the gas line, what should you look for?
Make sure there are no cracks on the hose and check to make sure it fits
How quickly should you turn on the gas for a Bunsen burner?
slowly
If the flame on your Bunsen burner sputters or goes out, what should you do?
Turn it off immediately
If you smell gas in the room, what should you do?
Turn the Bunsen burner off and report to instructor
Is it safe to heat a sealed container? Explain.
No, the heat will be trapped inside the container with no source of escape. The pressure
can burst the container
Is it safe to work near heated objects?
No
Is it safe to use glassware that has cracks or ships? Explain
No, it may explode
How can you safely carry a heated object?
Handle with beaker tongs or gloves designed for hot glassware
Is it safe to heat flammable chemicals with a Bunsen burner?
No, use a heating mantle or a steam bath