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Questions and Answers
What is a mixture?
What is a mixture?
A mixture is a combination of two or more substances that are not chemically bonded. They can be separated by physical means.
What is a pure substance?
What is a pure substance?
A pure substance is made up of only one type of atom or molecule. It cannot be broken down into simpler substances by physical means.
A mixture of two substances can be separated by physical means.
A mixture of two substances can be separated by physical means.
True
A pure substance can be separated by physical means.
A pure substance can be separated by physical means.
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What are the components of a mixture called?
What are the components of a mixture called?
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What is an example of a mixture?
What is an example of a mixture?
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What is an example of a pure substance?
What is an example of a pure substance?
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Which of the following is NOT a mixture?
Which of the following is NOT a mixture?
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Which of these is a physical method of separating a mixture?
Which of these is a physical method of separating a mixture?
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What is the difference between a mixture and a pure substance?
What is the difference between a mixture and a pure substance?
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Study Notes
Mixtures and Pure Substances
- Mixtures contain two or more substances
- Examples of mixtures include: lemonade (lemon juice, sugar, water), tap water (water and dissolved salts), sea water (water and dissolved salts), milk (water, cream, etc.), wood (cellulose and water), and air (oxygen, carbon dioxide, nitrogen, water vapor, etc.)
- Pure substances contain only one type of atom or molecule
- Examples of pure substances include: sugar, salt, and laboratory chemicals
- Elements and compounds are pure substances
Types of Mixtures
- The components of a mixture are called constituents or components
- Components in a mixture can be spread evenly, or unevenly throughout
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Description
Test your knowledge on mixtures and pure substances with this quiz! Learn the differences between these two categories and explore examples of each. Furthermore, understand the types of mixtures and their components.
