Safety Symbol Precautions Flashcards
(29 cards)
Never let _____ touch skin. _____ contacted skin with cool water.
acid, rinse
Always wear your lab _____
apron
Point the test tube away from you when heating and _______
shaking
Never handle electronics with ___ hands. Make sure your work area is ___.
Wet, dry
Never ________ electric circuits.
Overload
Make sure all electrical equipment is properly ________.
Grounded
Make sure electric cords can’t _____ ____ equipment.
knock over
Never transfer substances with a _____ pipette, use a _______ bulb.
Mouth, suction
Use _________ liquids in small amounts and in __________ rooms or under a fume hood.
flammable, ventilated
Do not breathe ____ gases (hydrogen, argon, helium, nitrogen, concentrated CO2)
pure
Use safety _______/_______ in danger of explosion or implosion.
shields/screens
Never use an open _____ near flammable liquids.
flame
Follow _____ ____ procedure to heat solids.
water bath
Make sure an ___ ____ station is available.
Eye wasg
Never look directly at the ___ with _______ on.
Sun, goggles
Make sure ____ extinguishers/blankets are available.
fire
Never reach across an ____ _____.
open flame
Use proper ______ ______ procedure.
bunsen burner
Turn off ____ ______ when not in use.
open flames
Heat flasks/beakers on a __________ with wire gauze between _____ and flame.
ringstand, glass
Turn off ___ valves when not in use.
gas
Check condition of _________ before using it.
glassware
Don’t _____ glass into rubber stoppers.
force
___-dry glassware, always use ___ glassware.
Air, dry