lyssa23 lyssa23
  • 24-03-2017
  • Chemistry
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What kind of changes are permanent and alter the identity of a substance

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amcki123
amcki123 amcki123
  • 24-03-2017
Chemical changes are permanent and alter the identity of a sustance
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kfuller21 kfuller21
  • 24-03-2017
mostly chemical changes
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