Other questions in this quiz

2. which of these does salt not have to pure to use?

  • preserving food
  • Road grit (winter snow ice melting)
  • flavouring food
  • not sure

3. which element is not in PVC?

  • Hydrogen
  • Carbon
  • Sodium
  • Chlorine

4. who thought of the plate tectonic theory?

  • Alfred Wegner
  • Albert Einstein
  • Nicholas le blanc
  • Charles Darwin

5. Which methord of salt mining is used for road grit in the winter?

  • evaporating sea water
  • Salt mining
  • solution mining
  • i dunno

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