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Questions and Answers
What is a mixture?
What is a mixture?
A combination of two or more pure substances that are not chemically combined
What is a homogeneous mixture?
What is a homogeneous mixture?
A mixture that has the same appearance and properties throughout
What is a heterogeneous mixture?
What is a heterogeneous mixture?
A mixture that does not have uniform composition and properties throughout
What is a colloid?
What is a colloid?
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What is a solution?
What is a solution?
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What is a suspension?
What is a suspension?
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What is a simple mixture?
What is a simple mixture?
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Which of the following are examples of homogeneous mixtures? (Select all that apply)
Which of the following are examples of homogeneous mixtures? (Select all that apply)
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Which of the following are examples of heterogeneous mixtures? (Select all that apply)
Which of the following are examples of heterogeneous mixtures? (Select all that apply)
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Which of the following are examples of colloids? (Select all that apply)
Which of the following are examples of colloids? (Select all that apply)
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Which of the following are examples of solutions? (Select all that apply)
Which of the following are examples of solutions? (Select all that apply)
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Which of the following are examples of compounds? (Select all that apply)
Which of the following are examples of compounds? (Select all that apply)
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What is a compound?
What is a compound?
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What is an element?
What is an element?
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Study Notes
Mixtures Overview
- Mixtures consist of two or more pure substances that are not chemically combined.
Homogeneous Mixture
- Features uniform appearance and properties throughout.
- Examples include colloids and solutions.
Heterogeneous Mixture
- Lacks uniform composition and properties throughout.
- Examples include suspensions and simple mixtures.
Colloid
- Contains extremely small particles that remain evenly dispersed without settling.
- Particles can pass through filter paper and scatter light, creating a Tyndall effect.
Solution
- Appears as a single substance with evenly distributed components.
- Composed of two or more substances that are blended at the molecular level.
Suspension
- Composed of larger particles that can be seen with the naked eye or a microscope.
- Particles appear to float or be suspended in a liquid medium.
Simple Mixture
- A basic and straightforward combination of two or more pure substances.
Examples of Mixtures
- Homogeneous Mixtures: Include colloids and solutions; share consistent properties.
- Heterogeneous Mixtures: Include suspensions and simple mixtures; varied composition.
- Colloids: Common examples are milk, mayonnaise, whipped cream, jello, fog, and butter.
- Solutions: Include air, soda, humidity, dental fillings, antifreeze, ocean water, and brass.
- Suspensions: Represented by snow globes, muddy water, and Italian dressing.
- Simple Mixtures: Examples encompass rocks, soil, granola, salad, nut mixes, and confetti.
Compounds and Elements
- Compounds are pure substances formed from two or more elements chemically combined.
- Elements cannot be broken down into simpler substances by chemical or physical means.
- Examples of compounds include salt (NaCl), water (H₂O), and sugar (C₁₂H₂₂O₁₁).
- Examples of elements include sodium (Na), iron (Fe), copper (Cu), oxygen (O), and gold (Au).
Studying That Suits You
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Description
Test your understanding of different types of mixtures with these flashcards. Learn about homogeneous and heterogeneous mixtures, as well as colloids, and their properties. Perfect for students studying chemistry or related subjects.
