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Questions and Answers
What should you do if you observe an accident in the lab?
What should you do if you observe an accident in the lab?
- Report it to the instructor regardless of severity. (correct)
- Only report it if it involves equipment damage.
- Wait for the instructor to notice it.
- Ignore it if no one is injured.
Which of the following safety precautions should be taken when using an open flame?
Which of the following safety precautions should be taken when using an open flame?
- Roll up loose sleeves and tie back long hair. (correct)
- Use a flame-proof apron only.
- Wear gloves made of rubber.
- Keep flammable materials nearby for easy access.
What is the consequence of using broken glassware in the lab?
What is the consequence of using broken glassware in the lab?
- It can enhance the experiment's results.
- It can be used for demonstration purposes.
- It poses a risk of injury or contamination. (correct)
- It is acceptable if you clean it up afterward.
Which action is NOT safe in a laboratory setting regarding electrical cords?
Which action is NOT safe in a laboratory setting regarding electrical cords?
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What should you do with unused chemicals after an experiment?
What should you do with unused chemicals after an experiment?
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Study Notes
Safety Guidelines for Laboratory Work
- Report all accidents immediately, regardless of severity, to ensure proper documentation and response.
- When using an open flame, prioritize safety by tying back long hair, rolling up loose sleeves, and wearing safety goggles to prevent accidents.
- Avoid using any glassware that is chipped, cracked, or broken to prevent potential hazards during experiments.
- Keep electrical cords neatly arranged to avoid tripping hazards and prevent dragging equipment off lab benches.
- Ensure that all gas jets, electrical connections, and water faucets are turned off at the conclusion of the lab period to prevent leaks and safety risks.
- Wash hands thoroughly with soap and water before leaving the lab to maintain hygiene and prevent contamination.
- Do not return unused chemicals to their original containers; instead, dispose of them properly to avoid contamination and ensure safety.
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