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Lesson: Measurement Apparatus

Worksheet • 9 Questions

Q1:

Which item of glassware is illustrated below?

  • ABuret
  • BSeparating funnel
  • CVolumetric pipet
  • DChromatography column
  • EDropping funnel

Q2:

A reaction is to be performed in approximately 10 mL of a dry solvent. Which piece of apparatus should be used to measure this volume?

  • ASyringe
  • BMeasuring cylinder
  • CMicropipet
  • DBalance
  • EVolumetric pipet

Q3:

A reaction is to be performed in 100 mL of chloroform stored under air. Which piece of apparatus should be used to measure this volume?

  • AMeasuring cylinder
  • BSyringe
  • CBeaker
  • DBalance
  • EMicropipet

Q4:

The diagram illustrates the use of a measuring cylinder to determine the volume of a liquid. From which point should the reading be taken?

  • AThe bottom of the meniscus
  • BThe nearest graduation below the liquid level
  • CWhere the meniscus meets the walls of the container
  • DThe nearest graduation above the liquid level
  • EHalf-way between the top and the bottom of the meniscus

Q5:

A reaction requires 100 mL of an organic solvent. Which item of glassware should be used to measure this solvent volume?

  • A
  • B
  • C
  • D
  • E

Q6:

A student uses a micropipet to transfer a liquid to a flask but finds that the weight of the liquid is less than expected. Which of the following is not a likely cause of the problem?

  • AThe viscosity of the liquid is too low.
  • BThe plunger of the micropipet was raised too quickly.
  • CLiquid has evaporated from the flask.
  • DThe volume of the micropipet was set incorrectly.
  • EBubbles were present in the pipetted liquid.

Q7:

Which item of glassware is illustrated below?

  • AVolumetric flask
  • BDistillation flask
  • CSolvent bottle
  • DErlenmeyer flask
  • EDewar flask

Q8:

The rate of a reaction is measured by taking 100- πœ‡ L samples of the reaction mixture every 5 minutes. Which piece of apparatus should be used to measure this volume?

  • AMicropipet
  • BPasteur pipet
  • CBalance
  • DSyringe
  • EVolumetric pipet

Q9:

A reaction requires exactly one equivalent of a viscous liquid reagent. Which piece of apparatus should be used to measure this quantity?

  • ABalance
  • BSyringe
  • CMicropipet
  • DVolumetric pipet
  • EMeasuring cylinder
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