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Old Sep 4th 2017, 03:23 PM   #1
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Join Date: Sep 2017
Location: Los Angeles
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Lab Safety Questions

Hi Everyone.

My name is Thomas and I am in my first ever chemistry class at my city college. Happy to be a part of the forum; I find forums to be very useful.

A bit of an embarrassing question(s) that was not covered in class but presented on a Lab Safety quiz. I came here because I was unable to find the answers through my internet searches.
Would anyone be able to help me with these true or false questions?

1. When pouring a liquid into a graduated cylinder in the hood, the safest place for the graduated cylinder is on the front edge. True or False?
(I'm not sure what the front edge means)

2. Weighing paper full of excess chemicals should be left by the balances.
True or False?
(I understand this has something to do with taring a scale, but not exactly sure of the question)

3. A reagent bottle must never be taken to your workbench. True or False?
(Is it normal procedure to fill your beakers at a filling station in most labs?)

4. It is not necessary to stir when two liquids are being mixed to form a solution. True or False?
(I understand that stirring expedites the process but are there other variables to consider?)

Thank you for any help.

Last edited by Spool; Sep 4th 2017 at 07:19 PM.
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