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32 Cards in this Set
- Front
- Back
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What are the three most important parts to read on the label of a chemical container? |
Concentration, hazard warning, and compound name |
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How many times should you read a chemical label? |
Twice |
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Why is it important to be exact when preparing a chemical reaction? |
Because you wouldn't get the right results if you weren't accurate. |
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What should happen with the leftover chemicals after an experiment? What about the products? |
The should all be disposed of properly as instructed by your teacher. |
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How do you draw small volumes of liquids into a pipette safely? |
With a pipette bulb. |
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Why do you need to read the instructions all the way through before beginning an experiment? |
So you know what to expect. |
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When carrying chemicals from one place to another in the lab what is the safest way to do so? |
Carry it in a small container. |
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What should you do if you spill a liquid chemical? |
Tell your teacher and let them clean it up. |
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Do you add acid to water or water to acid? |
Add acid to water |
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What should you look for before hooking a Bunsen burner to the gas line? |
Cracks |
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How should you turn on the gas? |
Quickly |
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Where do you stand when using a striker? |
To the side |
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If your flame sputters or goes out what should you do? |
Turn off the gas immediately |
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If you smell gas in the room what should you do? |
Turn off the burner |
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Why is it not safe to heat a sealed container? |
Because gas needs to escape |
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Is it safe to work near heated objects? |
As long as you're very careful |
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Why is it not safe to use glassware that has cracks or stars? |
They could break open |
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How do you safely carry a heated object? |
Use beaker tongs or use protective gloves |
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Is it safe to heat flammable chemicals with a Bunsen burner? |
No |
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Is the laboratory a safe place to eat drink or put on make up? |
No because chemicals could contaminate them |
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What is a safe way to read a burette that is above your eye level? |
Stand on a stepstool |
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Where should you keep personal belongings that you bring to the lab? |
Away from the aisles |
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How do you extinguish a small fire in a container? What should you do if you have a larger fire? |
Cover small fires and turn off the burner use a fire extinguisher for a larger fire |
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How do you put out clothing fires? |
Use the safety shower |
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Which substance creates toxic papers when exposed to air in thermometers? |
Mercury |
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What is the safe way to clean up a broken mercury thermometer? |
You will most likely have a Mercury cleanup kit or sponge to wipe up the Mercury |
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What type of shoes are appropriate for the labs? |
Closed leather shoes |
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What type of clothes should you not wear to the lab? |
Loose, flowy, open toed shoes |
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How do you protect your eyes from chemicals and glass shards? |
Safety goggles |
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Why do you remove contact lenses before working in the lab? |
Because they can hold corrosive chemicals(same with jewelry like watches, bracelets, or rings) |
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How do you protect your hands when working with corrosive chemicals? |
Wear special gloves |
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Rounded bottom thin top |
Volumetric flask-used for precise measurements |
