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CCEA GCSE Chemistry Unit 2 metals, redox and electrolysis overview quiz quiz

15questions. Pick an answer and you'll see why right away.

  1. Which list places metals in order from most to least reactive?

  2. What is produced when a metal above hydrogen reacts with dilute acid?

  3. What happens when iron is added to copper(II) sulfate solution?

  4. What does OIL RIG stand for?

  5. In Zn + Cu2+ gives Zn2+ + Cu, what happens to the zinc?

  6. Why is iron extracted by reduction with carbon but aluminium is not?

  7. What is the main reducing agent in the blast furnace?

  8. How is a metal more reactive than carbon extracted?

  9. What two conditions are needed for iron to rust?

  10. How does sacrificial protection prevent rusting?

  11. Why must an electrolyte be molten or dissolved?

  12. What forms at the cathode when molten lead bromide is electrolysed?

  13. What forms at the cathode when brine is electrolysed?

  14. What useful product is left in solution after brine is electrolysed?

  15. At which electrode does reduction occur in electrolysis?