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25 Cards in this Set
- Front
- Back
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When sugar seems to disappear in water we say it has _____.
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dissolved
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Sugar and water combine to form a mixture called a _____.
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solution
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Are solutions elements, compounds or mixtures?
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mixtures
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The part of a solution that causes the other substance to dissolve is called the _____.
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solvent
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The part of a solution that is dissolved is called the _____.
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solute
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Why is water called the 'universal solvent'?
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Water is called the 'universal solvent' because it is able to dissolve many substances.
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A substance that dissolves is said to be _____.
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soluble
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A substance that cannot be dissolved is said to be _____.
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insoluble
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A substance that partly dissolves, but not completely, is said to be _____ _____.
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slightly soluble
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Ink is _____ in water, but _____ in alcohol.
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insoluble, soluble
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A mixture in which solids settle to the bottom is called a _____.
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suspension
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Muddy water is an example of a _____.
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suspension
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Two liquids can form a solution. T/F?
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True. E.g., wine has alcohol dissolved in water.
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Two solids can form a solution. T/F?
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True. E.g., solder, made of lead and tin.
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A substance that dissolves in a solvent, such as water, may not dissolve in another solvent. T/F?
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True. E.g., Salt and sugar are insoluble in alcohol, even though they dissolve in water.
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A solution that has only a small amount of solute compared with solvent is said to be _____.
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dilute
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A solution that has a large amount of solute compared with solvent is said to be _____.
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concentrated
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A solution that will dissolve no more solute is said to be _____.
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saturated
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A solution that can still dissolve more solute is said to be _____.
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unsaturated
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The amount of solute needed to saturate a solution depends on the _____.
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temperature
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The _____ of a substance increases with temperature.
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solubility
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Adding more solvent to a dilute solution will make it more concentrated. T/F?
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False. E.g., adding more water to cordial will make it taste weaker, that is, make it more dilute.
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Some gases dissolve in water. T/F?
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True. E.g., carbon dioxide can be dissolved in water to make fizzy drink.
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If you clean a paint brush in turpentine, which part is the solvent?
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turpentine
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Jelly crystals dissolve better in hot water because solubility _____ with temperature.
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increases
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