Laboratory Procedures and techniques

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