Other questions in this quiz

2. 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

3. What is filtration?

  • The separation of an undissolved solid from a mixture of the solid and a liquid/solution
  • Extracting aluminium from its ore bauxite

4. What is crystallisation?

  • The separation of a dissolved solid from a solution, when the solid is much more soluble in hot solvent than in cold
  • Melting a compound before we can electrolyse it

5. Who thought of particles in 1805?

  • John Dalton
  • James Dalton

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