Other questions in this quiz

2. compounds formed when non-metals react with metals consist of particles called...

  • molecule
  • particles
  • ions
  • double atom

3. why are vegatable oils important fuels and food?

  • they provide energy
  • they cook foods faster

4. why is the extraction of copper expensive?

  • takes a lots of time
  • many steps are involved
  • copper is very reactive
  • its a batch process

5. one property of a smart polymer that is different to that of an ordinary polymer

  • it remembers its shape
  • has a double bond
  • it is soft

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