True or False
True or False: It is acceptable to joke around during lab experiments.
False. Playing around during lab is dangerous and prohibited.
My mom called me during the lab, so I took a step outside and answered her phone call. Is that okay?
No, always monitor your area when you're in the lab.
What do you yell out when someone is hurt or injured?
Code One Code One
Why is it important to lubricate glassware before attempting to insert it into rubber stoppers?
To avoid cuts and glass breaking.
True or False: If you don't know how to use equipment, ask your instructor for help.
True
I had some left over mercury in my beaker, so I put the extra mercury back in its original container so it does not go to waste. Is that okay?
No, never return unused chemicals to their original containers.
When removing an electrical plug, how do I remove it?
Remove the plug from the outlet by grasping the plug, not the cord. Make sure your hands are dried at all times.
Why is mercury dangerous to touch?
It can be toxic to peoples nervous systems, lungs, and kidneys.
True or False: When you need equipment, walk into the storage room to get some.
False. Students are not allowed in storage rooms unless given permission.
There was a fire drill during the lab so I closed my container and checked to see if I left any electrical equipment or gas valves still on. Is that okay?
Yes, during a fire drill always make sure that you close your containers and turn off glass valves, fume hoods, and electrical equipment.
What is wafting?
Wafting is using your hand to push an odor/smell towards your nose instead of directly smelling the substance from its container.
What can happen if you wear contacts with no goggles during a lab experiment?
Chemical vapors can get trapped behind lenses causing irritation and can be harmful to the eye.
True of False: Keep your backpacks placed on the side of your table during lab.
False. Always keep the aisles clear during lab for the safety of others and objects around you.
Chemicals splashed into my eye so I went to rinse my eyes out. After about 2 minutes my eye felt better so I stopped rinsing my eye. Is that okay?
No, when chemicals splash into your eyes make sure to rinse your eyes out for at least 20 minutes.
Where do you dispose solid chemicals, metals, matches, filter paper, and other insoluble materials at?
In their proper waste containers.
What can happen if your hands are wet while unplugging an electrical cord?
You can get an electric shock.
True or False: Eating is allowed during the lab, just wash your hands before touching equipment.
False. Eating, food, and beverages are NOT allowed during the lab.
A chemical was heating in the lab room and it started to boil. I closely observe the bubbles going up and look into the glass. Is that okay?
No, do not look into a container that is being heated.
What do you use to clean up broken glass?
A brush and dustpan.
Why can't we return unused chemicals back to their original containers?
It will contaminate it.