science

science

1. separation of compounds and liquids

   • methods
     • chemical techniques
       • electrolysis
       • thermal decmposition
     • physical techniques
       • distillation
       • evaporation
       • fractional distillation
       • filtration
       • chromatoraphy

2. elements

   • solid
   • gas
   • liquid

3. solid

4. gas

5. liquid

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