5 Questions
What is the purpose of a mortar and pestle in a laboratory?
To pound solid substances
What is the function of a pipette in a laboratory setting?
To deliver accurate volumes of liquids
What is the purpose of a separatory funnel in the laboratory?
To separate the layers of a mixture of two immiscible liquids of different densities
What is the purpose of a watch glass in a laboratory?
To evaporate a small amount of liquid usually through solar evaporation; to hold or mix small quantities of solids
What is the function of a wire gauze in a laboratory setting?
To provide support for glassware during heating; to be used with wire gauze
Study Notes
Laboratory Apparatus
- An alcohol lamp is used to supply a small amount of heat in laboratory experiments.
- A beaker is a versatile vessel used to mix and pour liquids.
- A Bunsen burner is a heat source that provides a large amount of heat in laboratory experiments.
- A burette is a precision instrument used to deliver a measured volume of a liquid to another vessel.
- A clay triangle is a support device placed over a tripod or iron ring to provide stability for porcelain ware during direct heating at very high temperatures.
- An evaporating dish is used to evaporate a large amount of liquid through direct heating.
- An Erlenmeyer flask is used to mix a large amount of liquid and to pour liquids through small openings.
Specialized Flasks
- A Florence flask is used to boil liquids and can also be used to collect gases, if applicable.
- Florence flasks come in various sizes to accommodate different experimental needs.
- A volumetric flask is used to prepare precise standard solutions.
- Volumetric flasks are designed to measure only one specific volume, making them highly precise instruments.
Test your knowledge of chemistry laboratory apparatus with this quiz. Identify the purpose of common equipment such as beakers, Bunsen burners, and burettes.
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