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WorksheetsOCR A Chemistry – 'Y12 Polymers' 4.1.3j-l
Total questions: 13
Worksheet time: 5mins
extremely large molecules formed from thousands of repeat units are called
(a)
small molecules that can react to form a very long chain with repeating patterns in it
(a)
when alkenes combine to form a very long chain of C–C single bonds it is called
(a)
the smallest fragment that can be used to summarise a polymer
(a)
What does this general notation best represent?
a repeat unit of a polymer
a section of a polymer
a monomer
the structure of a polymer
What is the name of the monomer that forms this polymer by addition polymerisation?
(a)
What does this general notation best represent?
a repeat unit of an addition polymer
the structure of a polymer
the number, n, of monomers
a section of a polymer which is n units long
What is the name of the monomer that forms this polymer by addition polymersation?
(a)
Which pair of brackets contains the repeat unit for this polymer?
(...)
[...]
{...}
Which pair of brackets correctly identifies the repeating unit in the section of the polymer shown here.
[...]
(...)
{...}
TICK ALL THAT APPLY: a sustainability benefit of processing waste polymers is...
their use as organic livestock
their combustion for CO2 production
the removal of toxic waste products such as HCl
their use as organic feedstock
TICK ALL THAT APPLY: a sustainability benefit of processing waste polymers is...
their use as fuel
their use to capture pests such as sea turtles
their use as organic feedstock
their combustion for energy production
TICK ALL TRUE STATEMENTS
biodegradable polymers are not harmful to the environment
addition polymers are usually biodegradable and photodegradable
biodegradable polymers can be hydrolysed or broken down by microorganisms
photodegradable polymers will break down when buried in soil
