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Which type of mixture best describes milk?
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1. Intro to General Chemistry
Classification of Matter
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Which type of mixture is composed of the smallest particles?
A
Colloid
B
Emulsion
C
Solution
D
Suspension
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Understand the types of mixtures: Solutions, Colloids, Emulsions, and Suspensions are all mixtures but differ in particle size and distribution.
Recall that a solution is a homogeneous mixture where the solute particles are at the molecular or ionic level, typically less than 1 nanometer in size.
Recognize that colloids have larger particles than solutions, usually between 1 nanometer and 1 micrometer, which scatter light (Tyndall effect).
Note that emulsions are a type of colloid where two immiscible liquids are mixed, and suspensions have even larger particles that can settle out over time.
Conclude that because solutions have the smallest particles dissolved at the molecular or ionic scale, they are the type of mixture composed of the smallest particles.
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