Safety Review

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Safety Review
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1. Working alone in the lab is fine as long as
the teacher has been notified.

• A. True
• B. False

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2. If a chemical splashes into your eyes, how
many minutes (minimum)should you rinse them?

• 10 minutes
• 20 minutes
• 30 minutes
• 40 minutes

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3. Which piece of glassware is the best choice to
accurately measure a certain volume of liquid?

1. Beaker
2. Erlenmeyer Flask
3. Graduated Cylinder
4. Watch Glass

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4. How many times should you read a chemical
label (minimum) before dispensing a substance?

• 1
• 2
• 3
• 4

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5. Which piece of information is not necessarily
found on a properly labeled solution?

1. concentration
2. name of solution
3. expiration date
4. hazards or warnings

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6. Food and drinks in the classroom are allowed
as long as an experiment is not being conducted.

1. True
2. False

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7. All leftover chemicals should be

1. returned to the proper reagent bottles
2. disposed of in the trash can
3. disposed of down the drain
4. disposed of in the proper waste container.

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8. Burns from explosions are one of the most
common lab accidents.

1. True
2. False

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9. Which is NOT a good characteristic of proper
lab attire?

• A. fabrics
• B. long pants
• old clothes
• baggy sleeves

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10. Personal belongings should be kept at the lab
table

1. True
2. False

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11. The best way to stop a spinning centrifuge is

• using your hand
• turning it off
• unplugging it
• using a scoopula

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12. Who can put out a small container fire?

1. Students only
2. Teachers only
3. Anyone close by

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13. Which is the best way to extinguish a small
container fire?

1. use the fire blanket
2. cover it with a watch glass
3. use the fire extinguisher
4. dump water on it

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14. It is safe to remove chemicals from the
classroom as long as you return them.

1. True
2. False

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15. Wafting refers to the proper way to

1. smell a chemical
2. taste a chemical
3. touch a chemical
4. view a chemical

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16. Where should you stand when lighting a Bunsen
Burner?

• As close as possible to ensure that it lights
• About an arms length away
• Behind your lab partner.

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17. Which is the best method to use in the event
of a clothing fire?

1. safety blanket
2. stop, drop and roll
3. safety shower
4. fire extinguisher

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18. Which substance in thermometers produces
toxic vapors when exposed to air?

1. alcohol
2. petroleum
3. mercury
4. water