MATTER MIXTURES Physical change PURE SUBSTANCES MECHANICAL MIXTURES
CLASSIFICATION OF MATTER C.4.D classify matter as pure substances or mixtures through investigation...
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Transcript of CLASSIFICATION OF MATTER C.4.D classify matter as pure substances or mixtures through investigation...
![Page 1: CLASSIFICATION OF MATTER C.4.D classify matter as pure substances or mixtures through investigation of their properties.](https://reader030.fdocuments.us/reader030/viewer/2022033022/56649e165503460f94b0072e/html5/thumbnails/1.jpg)
CLASSIFICATION OF MATTER
C.4.D classify matter as pure substances or mixtures through investigation of their properties.
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TABLE OF CONTENTS• Slide 3 Composition of Matter
• Slide 4 & 5 Pure Substances
• Slide 6 Mixtures
• Slide 7 Homogeneous Mixtures
• Slide 8 Heterogeneous Mixtures
• Slide 9-11 Mixture Separation Techniques
• Slide 12 Review
• Slide 13 Practice
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COMPOSITION OF MATTER
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PURE SUBSTANCES• every sample has
same:– characteristic
properties
– composition
• are made of: – one type of atom:
element• Ex: iron, gold, oxygen
– 2 or more types of atoms: compound• Ex: salt, sugar, water
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WHICH ARE PURE SUBSTANCES?
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MIXTURES• blend of 2 or more types of matter
• each component keeps its own identity and properties
• the components are only physically mixed
• can be separated using physical means
• properties of the mixture are a combination of the component’s properties
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HOMOGENEOUS MIXTURES
• also called solution
• uniform in composition
• no visible parts
Ex:
• vinegar
• clear air
• salt water
• brass
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HETEROGENEOUS MIXTURES• not uniform in
composition
• visible parts
Ex:
• soil
• concrete
• blood
• chocolate chip cookies
• sand in water
• iced tea with ice
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MIXTURE SEPARATION TECHNIQUES• Filtration- solid
part is trapped by filter paper and the liquid part runs through the paper
• Vaporization- where the liquid portion is evaporated off to leave solid
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MIXTURE SEPARATION TECHNIQUES• Decanting- when
liquid is poured off after solid has settled to bottom
• Centrifuge- machine that spins a sample very quickly so that components with different densities will separate
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MIXTURE SEPARATION TECHNIQUES• Paper Chromatography- used to separate
mixtures because different parts move quicker on paper than other
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REVIEW
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PRACTICEDETERMINE WHETHER EACH OF THE FOLLOWING IS ELEMENT, COMPOUND, HOMOGENEOUS MIXTURE OR HETEROGENEOUS MIXTURE.• air
• zinc
• chlorine
• granite
• aluminum
• sugar in water
• blood
• sucrose
• stainless steel
• sodium chloride
• brass
• whole milk
• apple
• table salt
• soft drinks
• vinegar
• concrete
• sodium
• baking soda (NaHCO3)
• gravel