Chemistry 4.1 Polymer

Which of the following describes a polymer?

• The repeating unit of a polymer

• An atom in a polymer

• A long chain moleule made of repeating basic units

• A molecule with single covalent bond

Which of the following are used to classify polymers?

• Number of monomers involved in polymerisation reaction

• The polymerisation reaction

• The source of polymer

• The type of the polymer

Which of the following is synthetic polymer?

• Starch

• Cellulose

• Nylon

• Protein

Table 1 shows the characteristic of Plastic A and Plastic B.

State the type of both plastics.

• Plastic A: Thermosetting polymer; Plastic B: Thermoplastic polymer

• Plastic A: Elastomer polymer; Plastic B: Thermosetting polymer

• Plastic A: Thermoplastic polymer; Plastic B: Thermosetting polymer

• Plastic A: Thermosetting polymer; Plastic B: Elastomer polymer

The diagram shows Process X.

What is Process X?

• Esterification

• Condensation polymerisation

• Addition polymerisation

• Oxidation