Question 1 of 30
2.0/ 2.0 Points
When you read the label on a chemical container, what are the
three most important pieces of information?
The three most important pieces of information are the label
name, the concentration and the hazard warning.
Question 2 of 30
2.0/ 2.0 Points
How many times should you read the information of a
chemical container before you open the container?
You should read the information twice. The information of a
chemical container should be read and reread.
Question 3 of 30
2.0/ 2.0 Points
Is it important to be exact when preparing a chemical reaction?
Explain.
Yes, it is very important to be exact when preparing a
chemical reaction. It could be dangerous to mix the wrong
amounts of chemicals. Also, it is important to measure exactly
what you need, so you do not waste any chemicals.
Question 4 of 30
2.0/ 2.0 Points
What should you do with leftover chemicals after an
experiment? What should you do with the products of an
experiment?
You should dispose of it in a specific container. There is also
specific waste containers for products. Non-hazardous
products can be placed in the trashcan. You should never
,return unused reagents to stock bottles. Solids can be placed in
plastic waste buckets. The waste containers should all be
closed. Glass must be discarded in specially designed
containers.
Question 5 of 30
2.0/ 2.0 Points
How can you draw small volumes of liquids into a pipette
safely?
You should draw small volumes with a pipette bulb not with
the mouth of the pipette.
Question 6 of 30
2.0/ 2.0 Points
Why is it important to read instructions all the way through
before beginning an experiment?
It is important to read instructions all the way through to
know all the steps before performing them. It is important to
be aware of the steps to fully understand the experiment. Also,
the timing of when chemicals react may be quick, so it is
important to know when things occur.
, Question 7 of 30
2.0/ 2.0 Points
If you spill a liquid chemical, what should you do?
You should ask your teacher or TA to come. Then an
absorbent should be spread over the spill. An example of an
absorbent is kitty litter. The kitty litter should then be swept
up carefully and placed in a specific labeled
Question 8 of 30
2.0/ 2.0 Points
Should you add acid to water, or
water to acid? You should always add
acid to water.
Part 2 of 5 - Bunsen Burner and Glassware Safety
18.0/ 18.0 Points Question 9 of 30
2.0/ 2.0 Points
Before attaching a Bunsen burner to the gas line, what should
you look for?
You should check the gas hose for cracks. If there are any
cracks, you should get a new hose. The hose should fix securely
on the gas valve and the bunsen burner.
Question 10 of 30
2.0/ 2.0 Points
How quickly should you turn on the gas for a Bunsen burner?
You should turn on the gas after a match is burning. You
should slowly turn the nozzle to release the gas to ensure it is
working correctly.
Question 11 of 30
2.0/ 2.0 Points
If the flame on your Bunsen burner sputters or goes out, what
should you do?
The gas should be turned off immediately. The unburned gas
can cause an explosion.
Question 12 of 30
2.0/ 2.0 Points
If you smell gas in the room, what should you do?
If you smell gas, you should turn the gas off. Even if there is no
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