1) Which one of these Thermoplastics is used for drink bottles? a) Polyethylene Terephthalate b) High density Polythene c) Polyvinyl chloride d) Low density polythene e) Polypropylene f) Polystyrene 2) What does HDPE stand for? a) Polypropylene (PP) b) Polystyrene c) ABS d) Polycarbonate e) High-density polythene f) Low-density polythene 3) What thermoplastic is represented by the number 5? a) PET b) HDPE c) LDPE d) PP e) ABS f) Nylon 4) What thermoplastic is represented by the number 6? a) Low-density polythene b) Polypropylene c) Acrylic d) Nylon e) Polycarbonate f) Polystyrene 5) What is are the properties of Polystyrene? a) Strong and rigid. b) Good toughness and impact strength. c) Good optical properties. d) Good resistance to wear. e) Heat resistant. f) Clear, tough and shatter resistant. 6) What is Thermosetting polymer? a) It can be reheated and reshaped. b) It is sold in ingots. c) It can be found as a metal ore. d) It cannot be reshaped when reheated. e) It is made from wood. f) It is very fragile. 7) What are plastic windows, bath tubs and machine guards made from? a) Nylon b) PVC c) Polyethylene terephthalate d) Polyproplene e) Polystyrene f) Acrylic 8) I am hard, lightweight, have good chemical resistance and impact strength. What am I? a) Polystyrene b) PET c) HDPE d) PVC e) PP f) Nylon 9) What process is water bottles made from? a) Welding b) Vacuum forming c) Blow moulding d) Sand casting e) Die casting f) Press moulding 10) Which one is not an example of thermosetting plastics? a) Polycarbonate b) Polyester resin c) Melamine resin d) Polyurethane e) Vulcanised rubber f) Epoxy resin

Polymers

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