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Classify the following as amorphous or crystalline solids : Polyurethane, naphthalene, benzoic acid, teflon, potassium nitrate, cellophane, polyvinyl chloride, fibre glass and copper. |
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Answer» Solution :The above MENTIONED SUBSTANCES are classified as under : Crystalline SOLIDS `""` Amorphous solids BENZOIC acid`""`Polyurethane Potassium nitrate`""` Naphthalene Copper`""` Teflon Cellophane Polyvinyl chloride FIBRE glass |
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