classify the following in M refers and crystalline solids first polyurethane naphthalene and benzoic acid telephone potassium nitrate cellophane polyvinyl chloride fibre glass copper
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Because .nephthalenne is a sublime substances...
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Amorphous solids
Polyurethane, Teflon, cellophane, polyvinyl chloride, fibre glass
Crystalline solids
Naphthalene, benzoic acid, potassium nitrate, copper
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