Chemistry Kenya
Simple Classification of Substances
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Simple Classification of Substances
Simple Classification of Substances
Separation of mixtures
Filtration, evaporation and condensation
Distillation (Simple and fractional), chromatography, solvent extraction as a method of extracting oil from nut seeds, crystallization, separation by using separating funnel, sublimation and decantation
Simple criteria for purity; melting point and boiling point
Effects of heat on substances
States of matter( solid, liguid, gases); The Kinetic theory
Melting and boiling,condensation and evaporation of liquids in terms of kinetic theory
Permanent and non-permanent changes(illustrate using iodine, wax, copper (II) sulphate crystals, potassium manganate (VII), zinc (II) oxide etc
Constituents of matter: Elements, atoms, molecules and compounds
Names and symbols of common elements
Simple word equations
Applications:Fractional distillation of crude oil and liquid air, salt extraction, dry cleaning, obtaining cream from milk
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