Questions and Answers
How are mixtures classified?
Based on the distribution of their components, mixtures can be classified as heterogeneous mixtures or homogeneous mixtures.
What type of properties can be used to separate mixtures?
Differences in physical properties.
Explain the term phase as it relates to homogeneous and heterogeneous mixtures.
A phase is any part of a sample with uniform composition and properties. A homogeneous mixture consists of a single phase while a heterogeneous mixture consists of two or more phases.
Classify each of the following as a homogeneous or heterogeneous mixture.
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Study Notes
Classification of Mixtures
- Mixtures are categorized based on the distribution of their components into heterogeneous or homogeneous mixtures.
Separation of Mixtures
- Differences in physical properties, such as size, shape, and state, can be utilized for separating mixtures.
Understanding Phases in Mixtures
- A phase refers to a part of a mixture that has consistent composition and properties.
- Homogeneous mixtures contain a single phase, exhibiting uniform distribution.
- Heterogeneous mixtures consist of two or more phases, showing non-uniform distribution.
Examples of Mixtures Classification
- Food coloring is classified as a homogeneous mixture due to uniform distribution.
- Ice cubes in liquid water are categorized as a heterogeneous mixture because of distinct phases.
- Mouthwash is identified as a homogeneous mixture due to even mixing of ingredients.
- Mashed, unpeeled potatoes are classified as a heterogeneous mixture, as the ingredients are not uniformly distributed.
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Description
This quiz focuses on identifying and classifying mixtures based on the distribution of their components. It also explores the separation of mixtures using their physical properties. Ideal for students studying chemistry concepts in Lesson 2-2.
