C2 Chemical resources

1. What causes euthrophication?

  • Aerobic bacteria using up oxygen and feeding on decaying plants
  • Fertilisers being washed off fields into rivers and ponds
  • Algae bloom
  • Sunlight not getting through the plants and the plants dying
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Other questions in this quiz

2. During the electrolysis of brine, what is formed in the solution?

  • Water
  • Sodium oxide
  • Sodium hydroxide
  • Chlorine hydroxdie

3. Why is aluminium something used in car bodies?

  • It is strong and shatterproof
  • It isn't used in car bodies
  • It does not corrode and it has a low density
  • It is cheap and flexible

4. What is the lithosphere comprised of?

  • All of the above
  • Mantle
  • Crust
  • Tectonic plates

5. What is the common name for an alkali?

  • Carbonate
  • Hydroxide
  • Oxide
  • Hydrogencarbonate

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