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WorksheetsLaboratory Procedures and techniques
Total questions: 10
Worksheet time: 14mins
1. You see on your table an unlabeled beaker filled with liquid. The contents.......
must be water, go ahead and drink it.
are probably water, drink it anyway, what's the worst that could happen?
are a really dangerous chemical. pour it in your desk, and see if it burns through.
are unknown. Leave it alone and inform your instructor.
2. Certain things are never allowed in a lab. Select which item is allowed.
food
goggles
horseplay
beverages
3. What safety device should be used if a student pours a chemical into a beaker and it splashes into their eyes?
Fume Hood
Fire Extinguisher
Eye Wash station
Fire Blanket
Your lab partner just ( accidentally) lit your notebook on fire. What piece of safety equipment should be used?
Fume Hood
Fire Extinguisher
Eye Wash station
First Aid kit
While trying to extinguish your notebook, your sweater catches on fire. What item should your partner use to save you?
Eye Wash station
Safety Goggles
Safety Shower
Fire Blanket
Your laboratory procedure instructs you to pour six (6) different solutions into separate beakers for use in the lab. You should ...
pour all of the solutions into beakers and then label the beakers
pour one solution at a time and label the solution after pouring the solution into it
label all beakers first, and then pour the correct solution into it
not worry about labeling the beakers
Which of the following is a common cause of laboratory accidents?
following directions
reading labels carefully
horseplay in the laboratory
following clean up procedures
Which of the equipments listed below is used in determining temperature of solutions/ substances ?
thermometer
graduated cylinder
beaker
spatula
Which of the following is a common cause of laboratory accidents?
following directions
reading labels carefully
horseplay in the laboratory
following clean up procedures
You are finished with the lab activity when :
the bell rings
you have followed proper clean-up procedures
you have collected your data
the group next to you is done
