OLYMPIAD CHALLENGE

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Across
  1. 3. The boundary that keeps two phases apart
  2. 4. Accumulation of molecules on a solid or liquid surface
  3. 6. value of drug ionisation
  4. 9. water theory of acid base
Down
  1. 1. A solution that resists changes in pH
  2. 2. electronic theory of acid base
  3. 4. Undefined order or solid
  4. 5. Inactive compounds that are activated in the body
  5. 7. Most common route of administration of drug for patients
  6. 8. Compound which shows the desired pharmaceutical activity