Multiple Choice
Which of the following states of matter occupies a definite volume?
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1. Intro to General Chemistry
Classification of Matter
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Which of the following mixtures is heterogeneous?
A
Sand and water
B
Salt dissolved in water
C
Vinegar
D
Air
Verified step by step guidance1
Understand the difference between homogeneous and heterogeneous mixtures. A homogeneous mixture has a uniform composition throughout, while a heterogeneous mixture has visibly different components or phases.
Analyze each option: Salt dissolved in water forms a solution where salt particles are evenly distributed, making it homogeneous.
Vinegar is a solution of acetic acid in water, which is uniform throughout, so it is homogeneous.
Air is a mixture of gases that is uniform in composition at the macroscopic level, so it is homogeneous.
Sand and water do not mix uniformly; sand particles remain separate and can be seen distinctly, making this mixture heterogeneous.
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