Other questions in this quiz

2. which of these reasons is wrong; "toymakers use PVC because..."

  • can be mixed with pigments to give bright colours
  • easy to keep clean
  • it can be rigid or flexable
  • its safe and untoxic
  • stands to rough play

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

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

4. what is the recommended daily allowance of salt for an adverage adult?

  • 6g
  • 4g
  • 10g
  • 7g

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

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


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