Mixtures and Solutions

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically combined. Examples include salad, air, and sand.

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What is a solution?

Back

A solution is a special type of mixture where one substance (the solute) is completely dissolved in another substance (the solvent). An example is saltwater.

Front

What is a solute?

Back

A solute is the substance that is dissolved in a solution. For example, in saltwater, salt is the solute.

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What is a solvent?

Back

A solvent is the substance that dissolves the solute in a solution. In saltwater, water is the solvent.

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What is the difference between a mixture and a solution?

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A mixture can be separated by physical means, while a solution cannot be easily separated because the solute is dissolved in the solvent.

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What is an example of a solid mixture?

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An example of a solid mixture is a trail mix, which contains nuts, dried fruits, and chocolate.

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What is an example of a liquid solution?

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An example of a liquid solution is lemonade, where sugar is dissolved in water.

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What does it mean to dissolve?

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To dissolve means to mix a solute with a solvent until the solute is no longer visible and is evenly distributed.

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What is filtration?

Back

Filtration is a process used to separate solids from liquids or gases using a filter. For example, filtering coffee grounds from brewed coffee.

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What is evaporation?

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Evaporation is the process where liquid turns into vapor, often used to separate a solute from a solvent, like salt from saltwater.