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Classify the following as amorphous or crystalline solids. Polyurethane, naphthalene, benzoic acid, teflon, potassium nitrate, cellophane, polyvinyl chloride, fibre glass, copper. |
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Answer» Crystalline solids: Naphthalene, benzoic acid, potassium nitrate, copper. Amorphous solids: Polyurethane, teflon, polyvinyl chloride, fibre glass, cellophane. |
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