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25 Cards in this Set

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