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Classification of substances

  1. Dec 31, 2012 #1
    i read on a book that the matter can be classified as crystalline substances , amorphous substances or both of them depending on the % of packed crystalline part .
    please can you explain me what does it mean
  2. jcsd
  3. Jan 1, 2013 #2


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    Analagous to an assertion that all substances are wet, dry or both depending upon the % of the dry part.
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