IGCSE Polymers

What is the process by which addition polymers are formed?

• Condensation

• Polymerization

• Oxidation

• Evaporation

Give an example of an addition polymer and explain its properties.

• Polypropylene

• Polyethylene

• Polystyrene

• Polyvinyl chloride

What is the process by which condensation polymers are formed?

• Elimination of a small molecule during polymerization

• Multiplication of small molecules during polymerization

• Addition of a small molecule during polymerization

• Subtraction of a small molecule during polymerization

Give an example of a condensation polymer and explain its properties.

• Nylon

• Polyethylene

• Polypropylene

• Polystyrene

What are the building blocks of protein polymers?

• Fatty acids

• Nucleotides

• Amino acids

• Glucose

Explain the primary structure of a protein polymer.

• Chain of glucose molecules linked by glycosidic bonds

• Double helix structure of nucleotides

• Sequence of fatty acids linked by ester bonds

• Sequence of amino acids linked by peptide bonds

What type of bond is found in a polymer peptide?

• Ionic bond

• Covalent bond

• Hydrogen bond

• Peptide bond

Explain the role of alkene in the formation of alkene polymers.

• Alkenes act as monomers in the formation of alkene polymers.

• Alkenes act as catalysts in the formation of alkene polymers.

• Alkenes inhibit the formation of alkene polymers.

• Alkenes have no role in the formation of alkene polymers.

Give an example of an alkene polymer and explain its uses.

• Polyvinyl chloride is used in construction materials and pipes.

• Polypropylene is used in medical devices and automotive parts.

• Polystyrene is used in disposable cutlery and packaging.

• Polyethylene is used in packaging, insulation, and various other products.

Explain the uses of polyethylene as an addition polymer.

• Polyethylene is used in packaging and insulation materials.

• Polyethylene is used in construction materials and pipes.

• Polyethylene is used in medical devices and automotive parts.

• Polyethylene is used in disposable cutlery and packaging.