Multiple Choice
Which of the following is an SI unit of volume?
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1. Intro to General Chemistry
SI Units
Multiple Choice
Which of the following SI units would be most appropriate to describe the width of a small piece of metal?
A
millimeter (mm)
B
liter (L)
C
second (s)
D
kilogram (kg)
Verified step by step guidance1
Step 1: Understand the physical quantity being measured. The problem asks for the unit to describe the width of a small piece of metal, which is a measure of length or distance.
Step 2: Review the given units and identify their physical quantities: liter (L) measures volume, second (s) measures time, kilogram (kg) measures mass, and millimeter (mm) measures length.
Step 3: Since width is a length measurement, eliminate units that do not measure length (liter, second, kilogram).
Step 4: Among length units, millimeter (mm) is appropriate for small dimensions because it is a subunit of the meter (1 mm = 0.001 m), suitable for measuring small objects.
Step 5: Conclude that the most appropriate SI unit to describe the width of a small piece of metal is the millimeter (mm).
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