Other questions in this quiz

2. Examples of shape memory alloys:

  • tools
  • medical stents and glasses
  • parts on a car

3. What are alkenes:

  • fully saturated hydrocarbons that are unreactive
  • unsaturated hydrocarbons with a double bond and so reactive
  • fully saturated hydrocarbons that are reactive
  • unsaturated hydrocarbons with a double bond and so unreactive

4. Which metals are unreactive:

  • zinc, iron, tin, lead, copper
  • gold, silver and platinum
  • potassium, sodium, calcium, magnesium and aluminium

5. Disadvantages of bioethanol:

  • not carbon neutral in transport and manufacturing considered, few stations and cars have biofuel, limited land available for growing
  • all the cars would have to be replaced
  • petrol would have been wasted

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