chm2045l EXAM WITH COMPLETE
QUESTIONS WITH ANSWERS LATEST
UPDATED 100% VERIFIED SOLUTIONS (
ALREADY GRADED A+)(2025-2026)
Flammable materials, like alcohol, should never
be dispensed or used near - answeran open
flame
If a laboratory fire erupts, immediately -
answernotify your instructor
Approved eye protection devices (such as
goggles) are worn in the laboratory - answerat
all times
If you wear contact lenses in the school
laboratory - answertake them out before
starting the lab and wear glasses under lab
goggles
, If you do not understand a direction or part of a
lab procedure, you should - answerask the TA
before proceeding
After completing an experiment, all chemical
wastes should be - answerdisposed of
according to your TAs directions
If a lab experiment is not completed, you should
- answerdiscuss the issue with your
instructor/TA
You are heating a substance in a test tube.
Always point the open end of the tube -
answeraway from all people
You are heating a piece of glass and now want
to pick it up. You should - answeruse tongs
You have been injured in the laboratory (cut,
burn, etc..). First you should - answernotify your
TA/ instructor immediately
When gathering glassware and equipment for
an experiment, you should - answerread all
directions carefully to know what equipment is
necessary, clean any glassware that appears
dirty, and examine all glassware for chips or
cracks
Personal eyeglasses provide as much
protections as - answernone of the above
QUESTIONS WITH ANSWERS LATEST
UPDATED 100% VERIFIED SOLUTIONS (
ALREADY GRADED A+)(2025-2026)
Flammable materials, like alcohol, should never
be dispensed or used near - answeran open
flame
If a laboratory fire erupts, immediately -
answernotify your instructor
Approved eye protection devices (such as
goggles) are worn in the laboratory - answerat
all times
If you wear contact lenses in the school
laboratory - answertake them out before
starting the lab and wear glasses under lab
goggles
, If you do not understand a direction or part of a
lab procedure, you should - answerask the TA
before proceeding
After completing an experiment, all chemical
wastes should be - answerdisposed of
according to your TAs directions
If a lab experiment is not completed, you should
- answerdiscuss the issue with your
instructor/TA
You are heating a substance in a test tube.
Always point the open end of the tube -
answeraway from all people
You are heating a piece of glass and now want
to pick it up. You should - answeruse tongs
You have been injured in the laboratory (cut,
burn, etc..). First you should - answernotify your
TA/ instructor immediately
When gathering glassware and equipment for
an experiment, you should - answerread all
directions carefully to know what equipment is
necessary, clean any glassware that appears
dirty, and examine all glassware for chips or
cracks
Personal eyeglasses provide as much
protections as - answernone of the above
