Pure substance and mixture

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Age: 12-14
Level: 7
Language: English (en)
ID: 1292379
22/08/2021
Country code: TH
Country: Thailand
School subject: Science (1061951)
Main content: Pure substances and mixtures (2003226)

Observe what the objects in the picture are made of and try to conclude what are pure substances and mixtures

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Pure substance and mixture
Pure substance and mixture

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