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addition polymerisation, a macromolecule linked together by many small…

- - - - ethene: C2H4
      - poly(ethene): [CH2 - CH2]n
    - - ethene: CH2
      - poly(ethene): -CH2-
    - - ethene: 28
      - poly(ethene): > 15000
    - - Ethene: 6
      - poly(ethene): >= 3000
    - - ethene: very low (-185)
      - poly(ethene): above room tempt
    - - ethene: gas
      - poly(ethene): solid
    - - ethene: rapid addition with bromine
      - poly(ethene): no reaction
    - - both burns to form CO2 and H2O
  - - - for water pipes, waterproof platic sheet, insulation for electric cables and wires
    - - for packaging and containers for electrical goods, disposable cups and food containers used in fast food restaurants and hawker centres
    - - used to coat nonstick pots and pans as it is chemically inert, heat resistant and repels water