Other questions in this quiz

2. What is distillation?

  • The separation of a liquid from a solution
  • Replacement of some or all of hydrogen in a substance

3. How can we use diffusion to investigate particles?

  • Wait, for five minutes, for the bromine gas to diffuse from its flask to the other
  • Release bromine gas into the atmosphere

4. What will the experiment show?

  • Both air and bromine particles are moving randomly and there re large gaps between the particles: therefore, they can easily mix together
  • They are very fast

5. What is paper chromatography?

  • The separation of substances that have different solubilities in a given solvent
  • Coloured paper used to identify a substance's pH levels


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