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  3. 12th Class
  4. Chemistry
  5. The Solid State / ठोस प्रावस्था

12th Class Chemistry The Solid State / ठोस प्रावस्था

  • question_answer 3)
    Classify the following as amorphous or crystalline solids: Polyurethane, naphthalene, benzoic acid, teflon, potassium nitrate, cellophane, polyvinyl chloride, fibre glass, copper.  

    Answer:

    Amorphous: Polyurethane, teflon, cellophane, polyvinyl chloride, fibre glass. Crystalline: Naphthalene, benzoic acid, potassium nitrate, copper.  


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