polymers

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Across
  1. 1. A polymer of vinyl chloride used to make hard plastics
  2. 3. Test to distinguish between ethene and polyethene
  3. 5. A requirement of the monomer for addition polymers
  4. 8. The smallest unit of a polymer
  5. 9. The type of reaction linking monomers in starch
  6. 11. Production of short chains from long chains by heat
  7. 12. Polyester used to make rope
Down
  1. 1. A natural polyamide
  2. 2. The non-stick covering on frying pans
  3. 4. A by-product of condensation polymerization
  4. 6. A synthetic polymer used in textiles
  5. 7. Produced by addition polymerization
  6. 10. The monomer of the polysaccharide starch and cellulose