5.5BC Science (Mixtures & Solutions)

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What is a mixture?

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A mixture is a combination of two or more substances where each substance retains its own properties.

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What is a solution?

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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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What is the difference between a mixture and a solution?

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In a mixture, the substances can be separated easily, while in a solution, the solute is dissolved in the solvent and cannot be easily separated.

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What does it mean for a substance 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 density?

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Density is the mass of a substance divided by its volume, often expressed in grams per cubic centimeter (g/cm³).

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What happens to the properties of a solution when ice cubes are added?

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The volume, temperature, and mass of the solution change as the ice cubes melt.

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What is the role of a hot plate in separating mixtures?

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A hot plate can be used to heat a solution, causing the solvent to evaporate and leaving the solute behind.

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What are some common examples of mixtures?

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Examples of mixtures include salad, air, and a bag of marbles.

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What is a solute?

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A solute is the substance that is dissolved in a solution.

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What is a solvent?

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A solvent is the substance that dissolves the solute in a solution.