Mixtures

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What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded.

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What are examples of mixtures?

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Examples of mixtures include soil, water, soup, air, and salad.

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What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture that has a uniform composition throughout, such as saltwater.

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What is a heterogeneous mixture?

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A heterogeneous mixture is a mixture that has a non-uniform composition, such as a salad or a mixture of sand and iron filings.

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What happens to the components of a mixture?

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The components of a mixture retain their individual properties and can often be separated by physical means.

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What is the difference between a mixture and a pure substance?

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A mixture contains two or more substances that are not chemically combined, while a pure substance consists of only one type of particle.

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What is an example of a homogeneous mixture?

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An example of a homogeneous mixture is vinegar.

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What is an example of a heterogeneous mixture?

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An example of a heterogeneous mixture is a bowl of cereal with milk.

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What happens when you mix dirt and water?

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When you mix dirt and water, the dirt will settle to the bottom, creating a heterogeneous mixture.

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What are elements and compounds?

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Elements are pure substances that cannot be broken down into simpler substances, while compounds are substances formed when two or more elements are chemically bonded.