Multiple Choice
Which of the following is the main precaution to take if a gas cylinder sign is present in the laboratory?
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4. BONUS: Lab Techniques and Procedures
Laboratory Materials
Multiple Choice
Which piece of laboratory equipment is best suited for both holding and accurately measuring liquids?
A
Beaker
B
Erlenmeyer flask
C
Graduated cylinder
D
Test tube
Verified step by step guidance1
Understand the primary functions of each piece of laboratory equipment listed: a beaker, an Erlenmeyer flask, a graduated cylinder, and a test tube.
Recognize that beakers and Erlenmeyer flasks are mainly used for holding, mixing, or heating liquids but are not designed for precise volume measurements due to their wide mouths and approximate volume markings.
Note that test tubes are primarily used for holding small amounts of liquids during reactions or heating, but they do not have volume markings for measurement.
Identify that a graduated cylinder is specifically designed with precise volume markings to measure liquids accurately, while also being able to hold the liquid during measurement.
Conclude that the graduated cylinder is the best choice for both holding and accurately measuring liquids because it combines these two functions effectively.
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