Lab Equipment Quiz
Questions: 16 · 10 minutes
1. How should you position yourself when reading the volume of a clear liquid in a graduated cylinder?
Hold the cylinder in the air and read its nearest marking
Look down from above and read the liquid's upper edge
Place the meniscus at eye level and read its bottom
Tilt the cylinder until the liquid aligns with a mark
2. A beaker has just been heated and must be moved from a hot plate. Which tool is specifically shaped for this job?
Crucible tongs
Beaker tongs
Test-tube holder
Utility clamp
3. A procedure requires the mass of a small sample to be measured to four decimal places in grams. Which instrument is appropriate?
Triple-beam balance
Top-loading balance readable to 0.01 g
Analytical balance
Spring scale
4. During a titration, which setup holds a burette vertically while leaving its stopcock accessible?
Tripod and wire gauze
Test-tube rack
Clay triangle on an iron ring
Burette clamp attached to a ring stand
5. A precipitate remains on filter paper and must be rinsed with a small, controlled stream of distilled water. Which item is most suitable?
Wash bottle
Reagent bottle
Volumetric pipette
Separatory funnel
6. Which piece of equipment is designed to deliver one fixed liquid volume, such as 25.00 mL, with high accuracy?
Graduated cylinder
Volumetric pipette
Burette
Beaker
7. A solid sample must be heated strongly to a very high temperature. Which container is most appropriate?
Porcelain crucible
Watch glass
Volumetric flask
Reagent bottle
8. A reaction produces gas, and you need to collect it while directly measuring its volume. Which apparatus is best suited to this task?
Desiccator
Dropping funnel
Gas syringe
Round-bottom flask
9. A small volume of solution must be heated gently so that its solvent evaporates and leaves the dissolved solid behind. Which vessel is most suitable?
Reagent bottle
Separatory funnel
Volumetric flask
Evaporating dish
10. Before heating a liquid in a flask, what is commonly added to promote smooth boiling and reduce sudden bumping?
Filter paper
A magnetic retriever
A rubber stopper
Boiling chips
11. In a titration, which instrument allows the controlled delivery and measurement of a variable volume of titrant?
Burette
Graduated cylinder
Volumetric pipette
Volumetric flask
12. Which apparatus is used to separate two immiscible liquid layers, such as oil and water?
Büchner funnel
Condenser
Volumetric flask
Separatory funnel
13. Which equipment pair is designed to crush and grind a solid into a finer powder?
Mortar and pestle
Evaporating dish and watch glass
Crucible and lid
Beaker and stirring rod
14. A chemist wants to collect a precipitate quickly by vacuum filtration. Which funnel should be fitted to the filtering flask?
Powder funnel
Büchner funnel
Separatory funnel
Dropping funnel
15. You need to prepare exactly 250 mL of a solution at a specified concentration. Which vessel should be used for the final dilution?
250 mL beaker
250 mL Erlenmeyer flask
250 mL volumetric flask
250 mL filtering flask
16. Which tool is best for transferring a small amount of solid crystals from a reagent container to a balance pan?
Glass stirring rod
Laboratory spatula
Dropper pipette
Test-tube holder