NAME: ________________________

biology Test

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5 Written Questions

5 Multiple Choice Questions

  1. compounds that reduce the concentration of hydrogen ions in a solution
  2. molecules with an unequal distribuation of electrical charges
  3. a substance made of joined atoms or 2 or more different elements
  4. an atom or molecule that has gained or lost one or more electrons
  5. compounds that form hydrogen ions when dissolved in water

4 True/False Questions

  1. capillary actionsa mixture in which one or more subtances are evenly distributed in another substance


  2. moleculegroup of atoms held together by a covalent bond


  3. adhesionan attraction between substances f the same kind


  4. cohesionan attraction between different subtances


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