bbg2 bbg2
  • 10-01-2017
  • Chemistry
contestada

What type or process is involved in going from elements to compounds and vice versa

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Аноним Аноним
  • 20-01-2017
Mixtures to pure substances: separation processes 
Pure substances to mixtures: mixing 

Both are physical changes, since most of those processes do not require chemical changes in the separation processes.
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