Other questions in this quiz

2. What products will be made when reacting hydrchloric acid + sodium hydroxide?

  • sodium chloride
  • Sodium chloride + water
  • sodium chloride + water +carbon dioxide
  • sodium + hydrogen

3. Why might metals be ideal for a saucepan base?

  • good conductors of heat
  • metals are malleable
  • metals are good conductors of electricity

4. Why do metals rust?

  • because the metal is being oxidised (gain of oxygen)
  • because the metal has lost oxygen (reduction)
  • because it has been exposed to too much water
  • because it has been exposed to too much carbon dioxide

5. What is the name of a smart alloy used in glasses frames and to repair damaged blood vessels?

  • iron
  • nitinol
  • steel

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