Exam code: 5070
A macromolecule is a very large molecule.
Macromolecules can be made by joining smaller molecules together. This is called polymerisation.
Which row in the table describes the formation of a polymer?
| monomer | polymer |
A | ethane | poly(ethane) |
B | ethene | poly(ethene) |
C | ethane | poly(ethene) |
D | ethene | poly(ethane) |
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The diagram shows the structure of an important product.
This product is formed by …... 1 .….. of an .….. 2 …… .
Which words complete gaps 1 and 2?
| 1 | 2 |
A | addition polymerisation | alkane |
B | addition polymerisation | alkene |
C | cracking | alkane |
D | cracking | alkene |
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Which process produces poly(ethene) from ethene?
Cracking
Addition polymerisation
Fermentation
Catalytic addition of steam
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Which of the following does not cause a problem from the disposal of non-biodegradable plastics?
Waste plastic accumulates in oceans
In landfill, they take up valuable space
When incinerated, carbon monoxide is produced
Heat energy is released when burnt
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Poly(ethene) is commonly used to make plastic bags.
Which property of poly(ethene) makes it difficult to dispose of?
Excellent resistance to chemical reactions
Flexible
High strength
Good transparency
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Which statement about polymers is correct?
Addition polymers are all biodegradable.
Condensation polymers can all be hydrolysed to give amino acids.
Condensation polymers only exist in nature.
Forming addition polymers produces only one product.
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The diagram shows three repeat units in the structure of an addition polymer.
Which alkene monomer is used to make this polymer?
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Which process does not produce carbon dioxide?
Combustion of methane
Fermentation of sugar
Polymerisation of ethene
Respiration
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Polyesters and polyamides are types of synthetic polymer.
Which statements are correct?
1 | They are made by addition polymerisation. |
2 | They are made by condensation polymerisation. |
3 | The monomers from which they are made are unsaturated hydrocarbons. |
4 | The monomers from which they are made contain reactive functional groups at their ends. |
1 and 3
1 and 4
2 and 3
2 and 4
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Poly(ethene) is an addition polymer.
Which term describes the monomer from which it is formed?
A saturated compound called ethane
A saturated compound called ethene
An unsaturated compound called ethane
An unsaturated compound called ethene
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Which statement about polymers is correct?
Nylon and Terylene are both polyesters.
Proteins and nylon have the same monomer units.
Proteins have the same amide linkages as nylon.
Terylene and fats are esters but with different linkages.
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X is a polymer.
When X is hydrolysed one of the products is substance Y.
Which type of polymer is X?
a complex carbohydrate
a fat
a protein
an addition polymer
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The repeat unit of a polymer is shown.
Which monomer would produce this polymer?
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In which row are the monomer and polymer chain correctly matched?
| monomer | part of polymer chain |
A | CH3CH=CHCH3 | –CH(CH3)–CH(CH3)–CH(CH3)–CH(CH3)– |
B | CH2=CHCl | –CHC–CHCl–CHCl–CHCl – |
C | CH3CH=CH2 | –CH3–CH–CH2–CH3–CH–CH2– |
D | CH2=CHCH2CH3 | –CH2–CH2–CH2–CH(CH2CH3)– |
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A polymer has the formula shown.
From which monomers can it be formed?
1 and 2
1 and 3
2 and 4
3 and 4
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The equation shows the formation of a polymer called Kevlar.
Which row describes Kevlar?
| how the monomer is formed | type of polymer |
A | addition polymerisation | polyamide |
B | addition polymerisation | polyester |
C | condensation polymerisation | polyamide |
D | condensation polymerisation | polyester |
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A polymer can be made from methylpropene.
Which diagram shows the structure of the polymer?
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Which row shows a natural polymer with the same linkages as a synthetic polymer?
| natural polymer | synthetic polymer |
A | complex carbohydrate | nylon |
B | complex carbohydrate | PET |
C | protein | nylon |
D | protein | PET |
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The structure of polylactic acid (PLA) is given below.
What is the name given to the polymer link that is circled?
Peptide
Carbonyl
Amino
Ester
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The structure of a synthetic polymer is shown.
The structure shows the synthetic polymer is a ......1...... . It is formed by ......2...... polymerisation.
Which words complete gaps 1 and 2?
| 1 | 2 |
A | polyamide | addition |
B | polyamide | condensation |
C | polyester | addition |
D | polyester | condensation |
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Ethene forms an addition polymer as shown.
Which terms describe this polymer?
A saturated compound called poly(ethane).
A saturated compound called poly(ethene).
An unsaturated compound called poly(ethane).
An unsaturated compound called poly(ethene).
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Which two polymers have the same linkages bonding the monomers together?
Nylon and complex carbohydrate
Nylon and protein
PET and complex carbohydrate
PET and protein
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