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Multiple Choice
Which instrument is commonly used in the laboratory to measure the volume of a liquid accurately?
A
Graduated cylinder
B
Watch glass
C
Bunsen burner
D
Test tube
Verified step by step guidance
1
Understand that the problem asks for the laboratory instrument used to measure the volume of a liquid accurately.
Recall that a graduated cylinder is specifically designed with marked increments to measure liquid volumes precisely.
Recognize that other options like a watch glass, Bunsen burner, and test tube serve different purposes: a watch glass is for holding solids or evaporating liquids, a Bunsen burner is for heating, and a test tube is for holding or mixing substances but not for precise volume measurement.
Conclude that the graduated cylinder is the correct instrument because it provides accurate volume measurements due to its calibrated markings.
Therefore, the best choice for measuring liquid volume accurately in the lab is the graduated cylinder.