Classify the following as amorphous or crystalline solids: Polyurethane,naphthalene,benzoic acid,teflon,potassium nitrate,cellophane,polyvinyl chloride,fibre glass,copper.
(N/A) Amorphous solids: Polyurethane,teflon,cellophane,polyvinyl chloride,fibre glass.
Crystalline solids: Naphthalene,benzoic acid,potassium nitrate,copper.
Crystalline solids: Naphthalene,benzoic acid,potassium nitrate,copper.
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