What are the two main categories of polymers based on their source?

• Thermoplastic and Thermoset

• Homopolymer and Copolymer

• Natural and Synthetic

• Linear and Branched

Which of the following is an example of a natural polymer?

• Polystyrene

• Nylon 66

• Polyester

• Cellulose

What type of polymer is formed from a single type of monomer?

• Termoset

• Termoplastik

• Homopolimer

• Kopolimer

Which polymer is known for being thermoset?

• Polyethylene

• Epoxy

• Polypropylene

• Polystyrene

What is the main characteristic of linear polymers?

• They cannot be reshaped.

• They have multiple branches.

• They consist of a single continuous chain.

• They are always rigid.

Which of the following is a property of thermoplastic polymers?

• They cannot be remolded.

• They soften upon heating.

• They are always crystalline.

• They have high cross-linking.

What is the primary function of a plasticizer in bioplastics?

• To improve color

• To increase rigidity

• To enhance flexibility

• To reduce cost

Which of the following is a characteristic of copolymers?

• Made from one type of monomer

• Consist of two or more different monomers

• Always linear in structure

• Have no branching

What is the term for the ability of a material to return to its original shape after deformation?

• Plasticity

• Elasticity

• Brittleness

• Ductility

Which of the following polymers is known for its high toughness?

• Polyurethane

• Polyethylene

• Nylon

• Polystyrene