Other questions in this quiz

2. the main compound of limestone is?

  • calcium carbonate
  • calcium hydroxide
  • calcium oxide
  • calcium hydroxide solution

3. name two sub-atomic particles in the nucleus of an atom

  • neutron and proton
  • proton and electron
  • neutron and electron

4. the atomic number of an atom is the number of...

  • protons
  • neutrons
  • electrons

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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