Conduct yourself in a _________ manner at all times in the laboratory.
responsible
Never handle broken glass with your ______. Use a ______ and ________ to clean up broken glass.
hand, brush, dustpan
Report any accident or injury to the instructor _____, no matter how trivial it may appear.
immediately
Do not ___ or ___ any chemicals unless specially instructed to do so.
touch, smell
reach
Horseplay, practical jokes, and pranks are dangerous and _____________.
prohibited
Do not immerse hot glassware in cold water; it will ___.
shatter
If you or your lab partner are hurt, immediately yell out "____ ____" to get the instructor's attention.
"Code one, Code one"
____ chemicals in the laboratory are to be considered _____>
All, dangerous
Never leave a ___ burner unattended. Always turn the ___ or ___ ___ off when not in use.
lit, burner, hot plate
Always work in a ____________ area.
well-ventilated.
Hands must be completely dry before touching and _____ switch, plug, or _______.
electrical, outlet
eyewash, 20
mouth
Never look into a container that is being ____.
heated.
Long hair must be ________ back and dangling jewelry and loose baggy clothing must be ______. Shoes must completely cover the foot. No sandals ___.
tied, secured, allowed.
______ glassware before each use. Never use ______ or _____glassware. Never use ____ glassware.
Examine, chipped, cracked, dirty
When mercury ______ are broken, mercury must not be _______.
thermometers, touched
Never remove ______or other ______ from the laboratory area.
chemicals, materials
Exercise extreme cautions when using a gas burner. Take care that ____, ____, and____ are a safe distance from the flame at all times.
hair, clothing, hands
Students are never ________ in the science storage rooms or preparation areas unless given specific permission by their _______.
permitted, instructor.
Always _____glassware before attempting to insert it in a stopper.
lubricate
Report all injuries/accidents such as spills, breakage, cuts, and _____.
burns
Never return ____ chemicals to their original containers.
unused
To determine if an object is hot, bring the ___ of your hand close to it prior to grasping it.
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