Before leaving the lab, you’ll need to make sure it’s thoroughly cleaned so it’s ready and safe to work in again. Make sure to clean all used glassware , return reagents to the storage area, dispose waste in the right containers and clean your workbench.
What do you have to do before leaving the lab quizlet?
After you clean up your work area, what should you do before leaving the laboratory? Wash your hands at the bathroom sink. Take off apron and goggles . You just studied 37 terms!
What are the 3 most important ways to stay safe in the lab?
- Know locations of laboratory safety showers, eyewashstations, and fire extinguishers. ...
- Know emergency exit routes.
- Avoid skin and eye contact with all chemicals.
- Minimize all chemical exposures.
- No horseplay will be tolerated.
- Assume that all chemicals of unknown toxicity are highly toxic.
What do you have to do before leaving the lab to make sure you don’t carry traces of chemicals outside?
What do you have to do before leaving the lab, to make sure you don’t carry traces of chemicals outside? Take off your lab coat and then wash your hands . When should you wear safety goggles? When working with chemicals, microorganisms or heating devices.
What should be the very last function performed in the lab before you leave?
| Question Answer | What should be the very last function performed in the lab before you leave? wash your hands | Describe the procedure for smelling a chemical. Point vessel away from face while gently fanning vapors toward nose . | types of burns thermal, chemical and electrical |
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What are the 5 safety rules?
- Your safety is your personal responsibility.
- Always follow the correct procedures.
- Never take shortcuts.
- Take responsibility and clean up if you made a mess.
- Clean and organize your workspace.
- Ensure a clear and easy route to emergency exits and equipment.
- Be alert and awake on the job.
What are the 10 lab safety rules?
- of 10. The Most Important Lab Safety Rule. ...
- of 10. Know the Location of Safety Equipment. ...
- of 10. Dress for the Lab. ...
- of 10. Don’t Eat or Drink in the Laboratory. ...
- of 10. Don’t Taste or Sniff Chemicals. ...
- of 10. Don’t Play Mad Scientist in the Laboratory. ...
- of 10. Dispose of Lab Waste Properly. ...
- of 10.
Which of the following you should not do before leaving the lab?
Before leaving the lab, you’ll need to make sure it’s thoroughly cleaned so it’s ready and safe to work in again . Make sure to clean all used glassware, return reagents to the storage area, dispose waste in the right containers and clean your workbench.
What is the last thing a student must do before leaving the laboratory?
The last thing you should do before leaving the lab, after an experiment, is to wash your hands . Most chemicals are toxic to some extent, so clean your hands before leaving.
Why is it a bad idea to wear baggy or loose clothing in the lab?
Wear the right clothing for lab work. Necklaces, neckties, dangling jewelry, long hair, and loose clothing can cause you to knock things over or catch items on fire. ... It’s best to wear fitted garments, but if your clothing is loose or baggy, tuck it in or tie it back so that it does not get in the way or catch on fire .
What is the most important lab safety rule?
The most important lab safety rule is to know the location of and how to use safety equipment , such as a fire extinguisher.
What should you not do in a lab?
- Wearing open-toed shoes. ...
- Keeping long hair down. ...
- Eating or drinking. ...
- Erasing data from your notebook. ...
- Showing up late. ...
- Forgetting to label samples or materials. ...
- Incorrectly disposing of your materials. ...
- Wearing shorts.
Where should you never dispose of broken glass?
Broken glass should never be handled directly and should never be placed into the regular trash .
Why are no unauthorized experiments permitted in the lab? The student lacks experience in the lab and could be harmed. Are unknown. Leave it alone and inform your instructor.
Why is there no eating or drinking in a lab?
You should not eat in a chemistry lab because of the threat of contamination . This threat of contamination has two parts. The first part is that you never know where chemical residue may be and ingesting it could be dangerous. Many chemicals leave no visible trace of their presence.
What type of glassware should not be used in a lab?
Never use glassware that is etched, cracked, chipped, nicked, or scratched . It is more prone to break, especially under vacuum applications or if heated. Never use glass containers for vacuum applications that have been repaired.
