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1. What does gas chromatography do to the mixture of solvents?

  • It shows what gas is produced
  • It helps chromate the solvents making the easier to use
  • It separates them
  • It identifies what compound the solvent is made from
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Other questions in this quiz

2. Why does the catalyst work for a long time before it needs replacing?

  • A catalyst never needs replacing
  • It reacts with elements that are able to clean the catalyst
  • It is not used up
  • It takes long to get used up

3. Why does sodium iodide solution conduct electricity?

  • Ions can move (in the solution)
  • Sodium can react with water and water can conduct electricity
  • The atoms are able to carry an electric charge
  • The iodide is able to conduct electricity when it reacts with water

4. What are nanoparticles?

  • Particles with a high volume to surface area ration
  • Particles sized from 1-1000nm across
  • Particles sized 1-100nm across
  • Small particles

5. What information does the molecular ion peak give about the molecule?

  • Molecular mass / Mr
  • Relative atomic mass
  • Identity of substance
  • Mass spectroscopy

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