Other questions in this quiz

2. What are nanoparticles?

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

3. Why does sodium iodide solution conduct electricity?

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

4. How does an hydrogen atom turn into an hydrogen ion?

  • It reacts with nitrogen
  • Loses an electron
  • Gains an electron
  • It reacts with a metal

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

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


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