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Safety Review

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

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  1. Safety Review

  2. 1. Working alone in the lab is fine as long as the teacher has been notified. A. True B. False

  3. 2. If a chemical splashes into your eyes, how many minutes (minimum)should you rinse them? • 10 minutes • 20 minutes • 30 minutes • 40 minutes

  4. 3. Which piece of glassware is the best choice to accurately measure a certain volume of liquid? • Beaker • Erlenmeyer Flask • Graduated Cylinder • Watch Glass

  5. 4. How many times should you read a chemical label (minimum) before dispensing a substance? • 1 • 2 • 3 • 4

  6. 5. Which piece of information is not necessarily found on a properly labeled solution? • concentration • name of solution • expiration date • hazards or warnings

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

  8. 7. All leftover chemicals should be • returned to the proper reagent bottles • disposed of in the trash can • disposed of down the drain • disposed of in the proper waste container.

  9. 8. Burns from explosions are one of the most common lab accidents. • True • False

  10. 9. Which is NOT a good characteristic of proper lab attire? A. fabrics B. long pants • old clothes • baggy sleeves

  11. 10. Personal belongings should be kept at the lab table • True • False

  12. 11. The best way to stop a spinning centrifuge is • using your hand • turning it off • unplugging it • using a scoopula

  13. 12. Who can put out a small container fire? • Students only • Teachers only • Anyone close by

  14. 13. Which is the best way to extinguish a small container fire? • use the fire blanket • cover it with a watch glass • use the fire extinguisher • dump water on it

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

  16. 15. Wafting refers to the proper way to • smell a chemical • taste a chemical • touch a chemical • view a chemical

  17. 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.

  18. 17. Which is the best method to use in the event of a clothing fire? • safety blanket • stop, drop and roll • safety shower • fire extinguisher

  19. 18. Which substance in thermometers produces toxic vapors when exposed to air? • alcohol • petroleum • mercury • water

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