Other questions in this quiz

2. which element is not in PVC?

  • Chlorine
  • Sodium
  • Carbon
  • Hydrogen

3. what is an enviromental impact of salt mining?

  • hmm
  • needs wood as a fuel to heat it up (cutting down trees)
  • can cause subsidence (buildings falling down)
  • only works where its really sunny

4. who thought of the plate tectonic theory?

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

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

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


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