burnsjj1owk76k burnsjj1owk76k
  • 20-09-2017
  • Chemistry
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what are the physical properties of toothpaste

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kriselimvowk6c9 kriselimvowk6c9
  • 20-09-2017
The whitening toothpastes showed differences in their physical-chemical properties. All toothpastes promoted changes to the surface, probably by the use of a bleaching agent.
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