SMP NEGERI 3 PONTIANAKRISA HARIDZA, S.Pd

PHYSICS

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INTRODUCTION

MIXTURE SEPARATION

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STANDARD OF COMPETENCE / BASIC COMPETENCY

Standard of Competency3. Understanding the element,

compound, and mixture. Basic Competency

3.5. Conduct mixture components separation with various methods based on physical and chemical properties.

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INDICATOR

Through simple experiment, students can separate the components in a mixture.Based on understanding about the compositions of a substance and the properties of substance, students can create a mapping concept about substance.

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OBJECTIVE

Perform mixture separation. Classify substance based on its compositions.Classify substance based on its properties.Create mapping concept of a substance.

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CONTENTFiltrationDefinitionMixture separation method based on the difference of size of substance particle.Filtration is usually used to separate the mixture of solid and liquid substanceExampleWater purifying

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CONTENTFiltration

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CONTENTEvaporationDefinitionMixture separation method based on the difference in boiling point of substance.Evaporation is usually used to separate mixture of solid and liquid substance.Example: Table salt production from sea water

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CONTENTEvaporation

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CONTENTCrystallizationDefinitionMixture separation method based on the difference in boiling and freezing point of substances.Crystallization is usually used to separate mixture of solid substances.Example: Process of purifying salt and sugar

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CONTENTCrystallization

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CONTENTDistillationDefinitionMixture separation method based on the difference in boiling point of substances.Distillation is usually used to separate mixture of liquid substances.Example: Process of separating alcohol and water.

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CONTENTDistillation

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CONTENTSublimationDefinitionMixture separation method based on the ability of substance to sublimes.Sublimation is usually used to separate mixture of solid substances.Example: Process of making camphor and iodine.

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CONTENTSublimation

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CONTENTChromatographyDefinitionMixture separation method based on the difference in spreading velocity of mixture components in a medium.Example: Process of separating colour, determine the level of air pollution, testing the contents of narcotics in our body.

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CONTENTChromatography

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PROBLEM

Refer to your chemistry bookPage 174 – 181Comprehension and Exercise 4