Other questions in this quiz

2. What colour do Fe3+ ions turn with the addition of sodium hydroxide?

  • Brown/red
  • Orange/brown
  • Red/orange
  • Green

3. What can transition elements sometimes be used for?

  • Metal replacements
  • Fertilisers
  • Catalysts
  • Fats and oils

4. What colour do Fe2+ ions turn with the addition of sodium hydroxide?

  • Black/brown
  • Grey/green
  • Red/pink
  • Blue/purple

5. What happens during the thermal decomposition of a transition metal?

  • Metal oxide and carbon dioxide are produced
  • Metal hydrocarbonate and water are produced
  • Metal carbonate and carbon dioxide are produced
  • Metal and acid are produced

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