Plastics and Their Properties Quiz

Which thermoplastic can be made into fibres that are woven into fabric?

• Nylon

• Polystyrene

• High Density Polyethylene (HDPE)

• Low Density Polyethylene (LDPE)

Which type of plastics can be reshaped by heating and cooling repeatedly?

• Acrylic

• Nylon

• Polystyrene

• Polyvinyl chloride (PVC)

Which thermoplastic is commonly used for making disposable cups and food containers due to its lightweight and insulating properties?

• Expanded polystyrene

• Rigid PVC

• Plasticized PVC

• High Density Polyethylene (HDPE)

Which thermoplastic is strong, stiff, and resistant to chemical attack?

• Rigid PVC

• High Density Polyethylene (HDPE)

• Low Density Polyethylene (LDPE)

• Plasticized PVC

Which thermosetting plastic is easily moulded and weather resistant?

• Urea formaldehyde

• Phenolic

• Melamine

• Polyester resin

Which thermosetting plastic is commonly used in making kitchenware due to its stiffness, strength, and heat resistance?

• Melamine

• Polyester resin

• Phenolic

• Urea formaldehyde

Which thermosetting plastic is commonly used in electrical appliances for its rigidity, hardness, and excellent electrical insulation properties?

• Urea formaldehyde

• Phenolic

• Melamine

• Polyester resin

What is the main difference between thermoplastics and thermosetting plastics?

• Thermoplastics can be reshaped by heating, while thermosetting plastics cannot.

• Thermoplastics are transparent, while thermosetting plastics are opaque.

• Thermoplastics are soft, while thermosetting plastics are hard.

• Thermoplastics are used for fabric, while thermosetting plastics are used for electronics.

Which type of plastics are made up of long chains of molecules that are cross-linked in structure?

• Thermosetting plastic

• Thermoplastics

Which of the statement is correct?

• All plastic can be recycled

• Most plastics are obtained from crude oil.

• All plastics used for food packaging can be placed in microwave to reheat.

• It is always more costly to recycle plastic.