Introduction to Polymers

Which of the following polymer exhibit high flame retardant properties?

• Polystyrene

• Polyethylene

• Polyvinyl Chloride

• Polycarbonate

Each unit molecules that comes together to form a polymer is called a ...............

Which of the followings are the reasons for polymers being so popular?

• Light weight

• Biodegradable

• Wide range of properties

• Flexibility of design

The reaction where polymers are created are called ...........reaction.

• Synthesis

• Polymerization

• Distillation

• Cracking

Thermoplastic polymers can be only melted once.

• True

• False

What is Polymer?

• A long chain molecule made of many smaller molecules called monomers

• A small molecule made of one atom

• A large molecule made of twisted chains

• A large molecule in the shape of the letter "P"

The product in the picture above is made of which polymer?

• High density polyethylene (HDPE)

• Polypropylene (PP)

• Polycarbonate (PC)

• Nylon

List FOUR properties of polystyrene.

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Polymers are unique because their chains can form ...................

Entanglement in polymers are....

• Chemical bond

• Physical hook

• Reversible

• Does not allow polymer chains to slide pass each other

• Allows polymer chains to slide pass each other