SCIENCE
PHYSICAL SCIENCES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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beaker
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test tube
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graduated cylinder
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Erlenmeyer Flask
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Detailed explanation-1: -You will need to use a graduated cylinder in your chemistry class to measure liquid volume accurately and precisely.
Detailed explanation-2: -Correct answer: A volumetric pipette is made to dispense a specific amount of liquid very accurately. The Mohr pipette, beaker, and graduate cylinder will not measure a specific amount of liquid as accurately as the volumetric pipette.
Detailed explanation-3: -Pasteur pipettes (or pipets) are the most commonly used tool for transferring small volumes of liquids (< 5mL) from one container to another.
Detailed explanation-4: -Why is it advisable to use tongs when taking a beaker off a laboratory burner? It allows you to move it if it is too hot.
Detailed explanation-5: -Control-The control is the group that serves as a standard of comparison. It is exposed to the same conditions as the experimental group, except for the variable being tested.