Lab and Measurements

Which piece of lab equipment listed below would best be used for measuring the volume of a liquid sample?

• Beaker

• Florence Flask

• Erlenmeyer Flask

• Graduated Cylinder

When should safety goggles be worn in the laboratory?

• Only when you are doing "dangerous" labs involving acid.

• Any time heat or chemicals are present in the lab.

• When Mr. Robinson is watching.

• When you need help seeing something small.

Identify this piece of lab equipment.

• Beaker

• Graduated cylinder

• Bunsen burner

• Volumetric Flask

Which is the safest practice when heating the contents of a test tube over a flame?

• Pointing the test tube away from people

• Having safety goggles within reach

• Keeping the test tube securely stoppered

• Wearing long hair down

Identify this piece of lab equipment.

• Florence Flask

• Volumetric Flask

• Beaker

• Graduated Cylinder

Broken glassware should be cleaned up by

• Telling Mr. Robinson and letting him handle it.

• Picking up the big pieces and throwing them in the garbage.

• Using the broom and dust pan then placing them in the broken glass box.

• Using your hand to collect all pieces and then telling Mr. Robinson so he can dispose of it.

What is the most accurate temperature measurement for the thermometer below?

• 72°C

• 74°C

• 71°C

• 73°C

Identify this piece of lab equipment.

• Volumetric Flask

• Beaker

• Bunsen burner

• Graduated cylinder

Which of the following values in the most precise measurement from the image below?

• 35 mL

• 36.5 mL

• 37 mL

• 36 mL

What safety equipment should be used if corrosive chemicals are splashed all over you?

• Fire extinguisher

• Eye-Wash

• Emergency Shower

• Fume Hood