WorksheetsSynthesis of Ionic Compound PreLab Questions
Total questions: 25
Worksheet time: 31mins
Al3+ O2-
Cr3+ O2-
Why would you wear goggles in the lab?
to prevent eye strain
to improve your vision
for protection from UV rays
for protection from chemicals, heat, or glassware
Flammable materials, like alcohol, should never be dispensed near
an open door
an open flame
another student
a sink
After completing an experiment, all chemical wastes should be
left at your lab station for the next class
disposed of according to your instructor's directions
dumped in the sink
taken home
You are heating a substance in a test tube. Always point the open end of the tube
toward yourself
toward your lab partner
toward another classmate
away from all people
When you heat a piece of glass and need to pick it up, you should
use a rag or paper towels
pick up the end that looks cooler
use tongs
pour cold water on it
When gathering glassware and equipment for an experiment, you should
use a beaker to drink water
carry as much as you can at one time
stack the glassware to carry it
examine all glassware to check for chips and cracks
Long hair in the laboratory must be
cut short
held out of the way with the hand you aren't using
always neatly groomed
tied back with a hairband or something similar
Horseplay or practical jokes in the laboratory are
always against the rules.
okay.
not dangerous.
okay if you are working alone.
When you finish working with chemicals, biological specimens, etc., always
treat your hands with skin lotion.
wash your hands thoroughly with soap and water.
wipe your hands on a towel.
wipe your hands on your clothes.
Hot glass looks the same as cold glass.
True
False
Return all unused chemicals to their original containers.
True
False
All chemicals in the lab are to be considered dangerous.
True
False
The following footwear is best in the laboratory
sandals.
open-toed shoes.
closed-toed shoes.
shoes appropriate for the weather.
