Science Ch 14
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| The item that disolves in a solution | solute
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| The liquid in a solution | solvent
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| The ability of a subatance to dissolve is described as | solubility
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| If sugar disolves easier than sand, I would say that sugar is | more soluble
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| Once a solution can't "fit" any more solute in it, we say it has reached | saturation
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| A chemical change results in a | compound
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| A physical change results in a | mixture
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| A solution is a specific type of | mixture
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| Pure substances are also called | elements
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| Pure substances can be identified using the | Periodic Table of the Elements
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| A substance with only one type of atom is a | pure substance/ element
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| Can a mixture be separated physically? | yes
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| Can a compound be separated physically? | no
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| To separate a mixture, I need to know | the physical properties of the components
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| Charachteristics of a compound include | 1. 2 or more elements chemically combined2. a new substance is formed3. you can not separate out the substances you began with
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| Charachteristics of a mixture include | 1. 2 or more substances physically combined2. can separate out the substances physically
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| If iron is in a mixture, what physical property can you use to separate and how can you get it out | use the physical property of magnetism and get it out by using a magnet to attract it.
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| if you have a mixture of sand and water, what physical property can you use to separate it, and how can you get it out | use the physical property that sand has a low solubility, and use a filter to get it out
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| if you have a solution of salt disolved in water, what physical property can you use to separate it, and how can you get it out | use the physical properties of the states of matter of water, and add heat to evaporate the water from a liquid to a gas, which will leave the salt behind
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| reacts strongly with a metal | acid
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| sour taste is evidence of | acid
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| red litmus paper turning blue is evidence that the substance is | a base
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Created by:
anoah