Multiple Choice
A simple random sample is also which of the following?
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1. Intro to General Chemistry
Classification of Matter
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Which of the following is an example of a suspension?
A
Saltwater
B
Sand in water
C
Air
D
Milk
Verified step by step guidance1
Understand the definition of a suspension: A suspension is a heterogeneous mixture where solid particles are dispersed in a liquid or gas but are not dissolved. These particles are typically large enough to eventually settle out over time.
Analyze the given options: Saltwater, Sand in water, Air, and Milk.
Consider Saltwater: In saltwater, the salt is completely dissolved in the water, forming a homogeneous mixture known as a solution, not a suspension.
Consider Sand in water: Sand particles are dispersed in water but do not dissolve. Over time, the sand will settle at the bottom, making this a classic example of a suspension.
Consider Air and Milk: Air is a homogeneous mixture of gases, and milk is an emulsion, which is a type of colloid. Neither fits the definition of a suspension as well as sand in water does.
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