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Question: Answered & Verified by Expert
Classify the following as amorphous or crystalline solids Polyurethane, naphthalene, benzoic acid, teflon, potassium nitrate, cellophane, polyvinyl chloride, fibre glass, copper.
ChemistrySolid StateNEET
Options:
  • A Amorphous Polyurethane, teflon, cellophane, polyvinyl chloride, fibre glass; Crystalline Naphthalene, benzoic acid, potassium nitrate, copper.
  • B Amorphous Naphthalene, benzoic acid, teflon, cellophane, polyvinyl chloride, fibre glass; Crystalline Polyurethane, potassium nitrate, copper.
  • C Amorphous Polyurethane, naphthalene, benzoic acid, teflon, potassium nitrate, cellophane, polyvinyl chloride, fibre glass; Crystalline Copper.
  • D Amorphous Polyurethane, naphthalene, benzoic acid, teflon, cellophane, polyvinyl chloride; Crystalline Potassium nitrate, fibre glass, copper.
Solution:
2203 Upvotes Verified Answer
The correct answer is: Amorphous Polyurethane, naphthalene, benzoic acid, teflon, potassium nitrate, cellophane, polyvinyl chloride, fibre glass; Crystalline Copper.
Correct Option is : (C)
Amorphous Polyurethane, naphthalene, benzoic acid, teflon, potassium nitrate, cellophane, polyvinyl chloride, fibre glass; Crystalline Copper.

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