Friday, May 10, 2013

Experiment : Physical and Chemical Changes

Student from class 4UIAM
Experiment 5.3 : Physical and Chemical Changes
(Science Process Skills Workbook page 81)

Physical Change
Substance : Copper (II) sulphate crystals and water
Observation : Copper (II) sulphate crystals dissolve in the water to form blue solution

Chemical Changes
Substance : Potassium iodide and lead (II) nitrate
Observation : Yellow precipitate form

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