Multiple Choice
Which of the following types of matter does not contain multicellular organisms?
1. Intro to General Chemistry
Classification of Matter
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Which of the following is an example of a homogeneous mixture?
A
Oil and vinegar
B
Sand and water
C
Granite
D
Saltwater
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Understand the concept of a homogeneous mixture: A homogeneous mixture is a mixture in which the composition is uniform throughout. This means that the different components are not visibly distinguishable and are evenly distributed.
Consider the examples given: Oil and vinegar, sand and water, granite, and saltwater. Evaluate each to determine if they are homogeneous or heterogeneous.
Oil and vinegar: This is a heterogeneous mixture because oil and vinegar do not mix uniformly; they separate into distinct layers.
Sand and water: This is a heterogeneous mixture because sand does not dissolve in water and can be seen as separate particles.
Granite: This is a heterogeneous mixture because it is composed of different minerals that can be seen as distinct components.
Saltwater: This is a homogeneous mixture because when salt is dissolved in water, it forms a uniform solution where the salt is evenly distributed throughout the water.
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