Mixtures and Solutions Review

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded and can be separated by physical means.

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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).

Front

What is density?

Back

Density is the mass of an object divided by its volume, often used to determine whether an object will sink or float in a liquid.

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What does it mean for a substance to be soluble?

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A substance is soluble if it can dissolve in a solvent, such as water.

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What is an example of a soluble substance?

Back

Salt is an example of a soluble substance that dissolves in water.

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What is an example of an insoluble substance?

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Oil is an example of an insoluble substance that does not dissolve in water.

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How can you separate a mixture of solids?

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You can separate a mixture of solids by using methods like sorting by size, using a magnet, or using a sieve.

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What happens to salt when it dissolves in water?

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When salt dissolves in water, it breaks down into its individual ions and becomes part of the solution.

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What is evaporation?

Back

Evaporation is the process by which a liquid turns into vapor, often used to separate a solute from a solvent.

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What is the principle of buoyancy?

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Buoyancy is the ability of an object to float in a fluid, determined by its density compared to the fluid.