Other questions in this quiz

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

  • 7g
  • 4g
  • 6g
  • 10g

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

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

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

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

5. which element is not in PVC?

  • Sodium
  • Carbon
  • Chlorine
  • Hydrogen

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