Mixtures & Solutions

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What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically combined. Each substance retains its own properties.

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What is a solution?

Back

A solution is a special type of mixture where one substance (the solute) dissolves in another (the solvent), forming a homogeneous mixture.

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Example of a mixture: Iron filings + sand

Back

This is a mixture because the iron filings and sand can be separated and retain their individual properties.

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Example of a mixture: Pepper + water

Back

This is a mixture because the pepper does not dissolve in water and can be separated.

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Example of a mixture: Sand + water

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This is a mixture because the sand does not dissolve in water and can be separated.

Front

What happens to substances in a solution?

Back

In a solution, the solute dissolves in the solvent, creating a uniform mixture that cannot be easily separated.

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What does it mean to dissolve?

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To dissolve means to mix a solid, liquid, or gas into a liquid so that it forms a solution.

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What is an example of a solution?

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An example of a solution is saltwater, where salt (solute) dissolves in water (solvent).

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What is a key characteristic of a mixture?

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A key characteristic of a mixture is that the components can be physically separated.

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What is a key characteristic of a solution?

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A key characteristic of a solution is that it appears uniform throughout and the solute cannot be seen.