Polymers — Paper 2 · IGCSE Chemistry (9-1) 0971

40 Which row describes addition polymerisation and condensation polymerisation? addition polymerisation condensation polymerisation A monomers have a C=C double bond monomers have a C=C double bond and the polymer is the only product and the polymer is the only product B monomers have a C=C double bond the monomers react to form the and the polymer is the only product polymer and a small molecule C the monomers react to form the monomers have a C=C double bond polymer and a small molecule and the polymer is the only product D the monomers react to form the the monomers react to form the polymer and a small molecule polymer and a small molecule

1 marks

Answer: B

This question in 0971/21 May/June 2018

40 The structure of an addition polymer is shown. H OH H OH H OH C C C C C C H H H H H H Which monomer is used to make this polymer? A B C D OH OH OH H OH H H H C H H C C H C C C C H H H HO H H OH

1 marks

Answer: D

This question in 0971/22 Oct/Nov 2018

40 The structure of a polymer is shown. O O O O Which type of polymer is shown and by which process is it formed? type of polymer formed by A carbohydrate addition polymerisation B carbohydrate condensation polymerisation C polyester addition polymerisation D polyester condensation polymerisation

1 marks

Answer: B

This question in 0971/21 May/June 2019

39 The diagram shows the structure of a monomer and of the polymer made from it. H H H H n C C C C H H H H n What are the monomer and polymer? monomer polymer A ethane poly(ethane) B ethane poly(ethene) C ethene poly(ethane) D ethene poly(ethene)

1 marks

Answer: D

This question in 0971/22 Oct/Nov 2019

40 The structure of a naturally occurring polymer, X, is shown. H O H O N C N C N C H O What is X? A an amino acid B a carbohydrate C a protein D a sugar

1 marks

Answer: C

This question in 0971/22 Oct/Nov 2019

40 Which polymers or types of polymer are synthetic? 1 carbohydrates 2 nylon 3 proteins 4 Terylene A 1 and 3 B 1 and 4 C 2 and 3 D 2 and 4

1 marks

Answer: D

This question in 0971/21 May/June 2020

40 Which substances are natural polymers? 1 proteins 2 carbohydrates 3 nylon 4 poly(ethene) A 1 and 2 B 1 and 3 C 2 and 3 D 3 and 4

1 marks

Answer: A

This question in 0971/22 May/June 2020

39 Which statement about nylon and Terylene is correct? A Nylon and Terylene are made from monomers with C=C bonds. B Nylon and Terylene contain the same linkage. C Nylon is a polyester. D Terylene is made from two different monomers.

1 marks

Answer: D

This question in 0971/22 Oct/Nov 2020

40 Which diagram represents the structure of a protein? O O O O A C C N N C C H H O O O O B C C O O C C C O O O H O H O D N C N C N C H O

1 marks

Answer: D

This question in 0971/22 Oct/Nov 2020

39 The structure of a synthetic polymer is shown. O O O O O C C N N C C N N C H H H H The structure shows that it 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

1 marks

Answer: B

This question in 0971/21 May/June 2021

40 Which substance is a natural polymer? A ethene B Terylene C nylon D protein

1 marks

Answer: D

This question in 0971/21 May/June 2021

38 The flow chart shows how petroleum may be turned into a plastic. process process process 1 saturated 2 unsaturated 3 petroleum plastic hydrocarbon hydrocarbon What are processes 1, 2 and 3? process 1 process 2 process 3 A cracking fractional distillation polymerisation B cracking polymerisation fractional distillation C fractional distillation cracking polymerisation D fractional distillation polymerisation cracking

1 marks

Answer: C

This question in 0971/22 May/June 2021

39 The structure of a synthetic polymer is shown. O O O O O C C N N C C N N C H H H H The structure shows that it 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

1 marks

Answer: B

This question in 0971/22 May/June 2021

40 Which substance is a natural polymer? A ethene B Terylene C nylon D protein

1 marks

Answer: D

This question in 0971/22 May/June 2021

39 Which polymers have the same linkage between monomer units? A carbohydrate and polyamide B carbohydrate and polyester C protein and polyamide D protein and polyester

1 marks

Answer: C

This question in 0971/22 Oct/Nov 2021

40 The diagram shows the partial structure of Terylene. O O O C O O C C O From which pair of compounds is it made? O O A HO C C OH + HO OH O O B HO C OH + HO C OH O O C HO OH + HO C C OH O O O O D HO C C OH + HO C C OH

1 marks

Answer: A

This question in 0971/22 Oct/Nov 2021

40 Which polymer is a synthetic polyamide? A nylon B poly(ethene) C protein D Terylene

1 marks

Answer: A

This question in 0971/21 May/June 2022

40 Which polymer structure has the same linkages as Terylene? A B CH3 CH3 CH3 CH3 O C C O C C C C H n H H n O OH C D H CH3 CH3 O CH3 CH3 N C C C C C O H H n H H n

1 marks

Answer: B

This question in 0971/22 May/June 2022

38 Hydrolysis of polymer P produces the three compounds shown. H N C O H H N C O H H N C O H H O H O H O What is the structure of polymer P? H O H O A N C N C N C H O H O H O B N N C C N C H O H O H H C N C N C N N H O O O H H D C N C C N N H O

1 marks

Answer: A

This question in 0971/22 Oct/Nov 2022

40 The equation shows the formation of a polymer called Kevlar. n HOOC COOH + n H2N NH2 – H2O O O C C N N H H n Which row describes Kevlar? how the polymer is formed type of polymer A addition polymerisation polyamide B addition polymerisation polyester C condensation polymerisation polyamide D condensation polymerisation polyester

1 marks

Answer: C

This question in 0971/22 Oct/Nov 2022

37 In reaction R, 2000 molecules of CH2=CH2 react to form a single molecule X only. 2000 CH2=CH2 → X Which terms describe reaction R, CH2=CH2 and X? reaction R CH2=CH2 X A addition monomer polymer B addition polymer monomer C substitution monomer polymer D substitution polymer monomer

1 marks

Answer: A

This question in 0971/21 May/June 2023

38 Part of the structure of a polymer is shown. H O H O N C N C N C H O Which statements about the polymer are correct? 1 The polymer is nylon. 2 The polymer is formed by condensation polymerisation. 3 There are ester linkages between the monomers. A 1 and 2 B 2 and 3 C 2 only D 3 only

1 marks

Answer: C

This question in 0971/21 May/June 2023

35 What is the correct structure of PET? O O H O O A C C N N C C N N H H H O O O O B C C O O C C O O O O H O O H C C C N N C C N N H H O O O O D C C O C O C O

1 marks

Answer: B

This question in 0971/22 May/June 2023

37 Which term describes nylon? A addition polymer B natural polymer C polyamide D polyester

1 marks

Answer: C

This question in 0971/22 Oct/Nov 2023

38 Ethene can be polymerised. Which diagram represents the structure of the product formed? A B C D H H H H H H H H H H C C C C C C H C C C C H H H H H H H H H H H n n

1 marks

Answer: C

This question in 0971/22 Oct/Nov 2023

37 Which statement about the polymer PET is correct? A It can be broken down into its monomers and re-polymerised. B It is an addition polymer. C It is a polyamide. D It is made from amino acid monomers.

1 marks

Answer: A

This question in 0971/21 May/June 2024

39 The diagram shows the structure of a polymer. H O CH3 H H C CH3 H C C C C C C H C CH3 H H C O H O H Which structure represents the monomer for this polymer? A B H3C H H H C C C C C C H H3C C H H H H O O C D H O H H H3C H C H C C C C H C C C C H H H O H C CH3 H O H Which piece of apparatus is used to measure 24.5cm3 of gas produced during a reaction?

1 marks

Answer: C

This question in 0971/22 May/June 2024

36 The structure of part of a polymer is shown. H H H H O H H H H C N C C C C O C N C C C H O H H H O H H How many amide and ester linkages are included in the structure shown? amide ester linkages linkages A 1 0 B 1 1 C 2 1 D 2 2

1 marks

Answer: C

This question in 0971/22 Oct/Nov 2024

37 Which structure represents part of a protein? A B H O H O O O N C N C C C O O C D H H O O H O H O N N C C N C O N C

1 marks

Answer: A

This question in 0971/22 Oct/Nov 2024

37 The structure of a polymer repeat unit is shown. H H H O H H N C C N C C C C H H H H H O n Which pair of monomers is used to make this polymer? monomer 1 monomer 2 H H H H H O O H A N C C N C C H H H H O O H H H H H O H H O H B N C C N C C C C H H H H O H H O H H H H H H H O O H C N C C C C N C C H H H H H H O O H H H H H H H O H H O H D N C C C C N C C C C H H H H H H O H H O

1 marks

Answer: B

This question in 0971/22 May/June 2025

38 Propenoic acid is an organic compound that is both an alkene and a carboxylic acid. The structure of propenoic acid is shown. H H O C C C H OH Which structure represents one repeat unit of the addition polymer formed from propenoic acid? A B C D CH3 O H COOH H H O CH3 COOH C C O C C C C C O C C H H H H H H H

1 marks

Answer: B

This question in 0971/22 Oct/Nov 2025