PLASTICS Question Preview (ID: 24837)


Students Have To Identify The Different Characteristics Of Plastics With The Corresponding Type Of Plastic. TEACHERS: click here for quick copy question ID numbers.

These plastics are flexible, resistant to chemicals and have a hard surface
a) Natural rubber
b) Melamine formaldehyde (MF)
c) Polypropylene (PP)
d) Nylon

The trade name of Polymethyl methacrylate (PMMA) is
a) Plexiglas
b) Teflon
c) Bakelite
d) Coke

Their uses are kitchen utensils, paints, aircraft and rocket exteriors.
a) Polyester resins
b) Teflon
c) Natural rubber
d) Neoprene

This plastic is harder and more resistant than synthetic rubber and waterproof.
a) Poyurethane
b) Melamine formaldehyde
c) Neoprin
d) Cellophane

Nylon is a...
a) Thermoplastic
b) Thermostable plastic
c) Elastomer
d) Natural rubber

These plastics are hard, resistant and very elastic.
a) Thermoplastics
b) Thermostable plastics
c) Polyester resins
d) Elastomers

These plastics are formed by strongly-linked chains running in different directions.
a) Thermoplastics
b) Thermostable plastics
c) Elastomers
d) Nylon

When we heat these plastics, they become soft, which allows them to be formed into different shapes.
a) Thermoplastics
b) Elastomers
c) Thermostable plastics
d) Neoprene

These plastics are porous and soft
a) Porexpan
b) Teflon
c) PVC
d) Plexiglas

They are made by vulcanisation
a) Polystyrene (PS)
b) Polythene (PE)
c) Polyurethane (PUR)
d) Elastomers

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