객관식
Which of the following is a homogeneous solution (a uniform mixture) at room temperature?
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6. Chemical Quantities & Aqueous Reactions
Solutions
Multiple Choice
Which type of mixture is classified as a solution?
A
A heterogeneous mixture that separates into distinct phases on standing
B
A pure substance consisting of only one type of atom
C
A homogeneous mixture with uniform composition throughout
D
A mixture in which one substance completely reacts to form a new compound
검증된 단계별 안내1
Understand the definition of a solution: it is a homogeneous mixture where the composition is uniform throughout the sample.
Recognize that a heterogeneous mixture has visibly different phases or parts and does not have uniform composition, so it is not a solution.
Recall that a pure substance consists of only one type of atom or molecule and is not a mixture, so it cannot be classified as a solution.
Identify that a mixture where substances chemically react to form a new compound is a chemical reaction product, not a solution.
Conclude that the correct classification for a solution is a homogeneous mixture with uniform composition throughout.
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