Addition Polymers (HSC SSCE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What essential structural feature must a monomer have for addition polymerisation to occur?
What essential structural feature must a monomer have for addition polymerisation to occur?
A carbon-carbon double bond ()
What distinguishes addition polymerisation from other types of polymerisation?
What distinguishes addition polymerisation from other types of polymerisation?
Monomers join without loss of any atoms
What temperature is used in the production of LDPE?
What temperature is used in the production of LDPE?
Why does LDPE have a lower density than HDPE?
Why does LDPE have a lower density than HDPE?
Branched chains prevent close packing
What is the melting point of HDPE?
What is the melting point of HDPE?
What characterizes crystalline regions in polymers?
What characterizes crystalline regions in polymers?
Regular, ordered patterns of chains
What property makes PTFE ideal for non-stick cookware?
What property makes PTFE ideal for non-stick cookware?
Third-lowest coefficient of friction
What type of intermolecular force makes PVC stronger than polyethylene despite being amorphous?
What type of intermolecular force makes PVC stronger than polyethylene despite being amorphous?
Dipole-dipole interactions
Which form of polypropylene has all methyl groups on the same side of the chain?
Which form of polypropylene has all methyl groups on the same side of the chain?
Isotactic
What is the primary function of plasticisers added to PVC?
What is the primary function of plasticisers added to PVC?
Weaken forces to increase flexibility