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Multiple Choice
In general chemistry, a solution is best described as an example of which type of mixture?
A
A heterogeneous mixture
B
A pure substance (element or compound)
C
A colloid
D
A homogeneous mixture
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Verified step by step guidance
1
Understand the definitions of the types of mixtures and substances: a heterogeneous mixture has visibly different components, a pure substance has a fixed composition, a colloid has particles dispersed but not dissolved, and a homogeneous mixture has uniform composition throughout.
Recognize that a solution is a mixture where the solute is completely dissolved in the solvent, resulting in a uniform composition at the molecular level.
Compare the characteristics of a solution to the definitions: since the components are evenly distributed and not visibly distinct, it cannot be heterogeneous or a colloid.
Since a solution contains more than one substance, it is not a pure substance (element or compound).
Conclude that a solution fits the description of a homogeneous mixture because it has a consistent composition and properties throughout.