Oxford Cambridge and RSA
Friday 17 May 2024 – Morning
GCSE (9−1) Chemistry B (Twenty First Century Science)
J258/01 Breadth in Chemistry (Foundation Tier)
Time allowed: 1 hour 45 minutes
You must have:
• a ruler (cm/mm)
• the Data Sheet for GCSE (9–1) Chemistry B
(inside this document)
F
You can use:
• an HB pencil
• a scientific or graphical calculator
Please write clearly in black ink. Do not write in the barcodes.
Centre number Candidate number
First name(s)
Last name
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use the lined
page at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be given
for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 90.
• The marks for each question are shown in brackets [ ].
• This document has 28 pages.
ADVICE
• Read each question carefully before you start your answer.
OCR is an exempt Charity
Turn over
, 2
1 Fuels such as diesel and petrol are made from hydrocarbons.
(a)
(i) Hydrocarbons are made from carbon and one other element.
What is the other element?
Put a ring around the correct option.
Chlorine Hydrogen Nitrogen Oxygen
[1]
(ii) What is the main source of hydrocarbons?
. .................................................................................................................................................................... [1]
(b) Alkanes are hydrocarbons.
Which compound is an alkane? Tick (
✓) one box.
Butanoic acid
Ethanol
Methane
Propene
[1]
(c) Alkenes are also hydrocarbons. They can be used to make polymers.
Which statements about polymers are true and which are false? Tick (✓)
one box in each row.
True False
All polymers are made from alkenes.
Polymers are long chain molecules.
Polymers can be synthetic or naturally occurring.
[2]
© OCR 2024
, 3
(d) Ethene is the monomer used to make a polymer called poly(ethene).
Fig. 1.1 shows the structure of ethene.
Fig. 1.1
H H
C C
H H
(i) Complete the diagram below to show the repeating unit of poly(ethene).
C C
[2]
(ii) Describe what happens when ethene monomers react together to form poly(ethene).
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
. .................................................................................................................................................................... [2]
© OCR 2024 Turn over
, 4
2 Lithium is an element in Group 1 of the Periodic Table.
(a)
(i) Describe one physical property of lithium.
..........................................................................................................................................................
. .................................................................................................................................................................... [1]
(ii) Complete the diagram to show the arrangement of electrons in an atom of lithium.
Use the Periodic Table.
Li
[2]
(b) Lithium reacts with water to form an alkaline solution and hydrogen gas.
Complete the word equation and balanced symbol equation for the reaction. Include state
symbols on the symbol equation.
lithium + water .......................................... + hydrogen
2Li(s) + 2..........(l) 2LiOH(..........) +............... (g)
[4]
© OCR 2024
Friday 17 May 2024 – Morning
GCSE (9−1) Chemistry B (Twenty First Century Science)
J258/01 Breadth in Chemistry (Foundation Tier)
Time allowed: 1 hour 45 minutes
You must have:
• a ruler (cm/mm)
• the Data Sheet for GCSE (9–1) Chemistry B
(inside this document)
F
You can use:
• an HB pencil
• a scientific or graphical calculator
Please write clearly in black ink. Do not write in the barcodes.
Centre number Candidate number
First name(s)
Last name
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use the lined
page at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be given
for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 90.
• The marks for each question are shown in brackets [ ].
• This document has 28 pages.
ADVICE
• Read each question carefully before you start your answer.
OCR is an exempt Charity
Turn over
, 2
1 Fuels such as diesel and petrol are made from hydrocarbons.
(a)
(i) Hydrocarbons are made from carbon and one other element.
What is the other element?
Put a ring around the correct option.
Chlorine Hydrogen Nitrogen Oxygen
[1]
(ii) What is the main source of hydrocarbons?
. .................................................................................................................................................................... [1]
(b) Alkanes are hydrocarbons.
Which compound is an alkane? Tick (
✓) one box.
Butanoic acid
Ethanol
Methane
Propene
[1]
(c) Alkenes are also hydrocarbons. They can be used to make polymers.
Which statements about polymers are true and which are false? Tick (✓)
one box in each row.
True False
All polymers are made from alkenes.
Polymers are long chain molecules.
Polymers can be synthetic or naturally occurring.
[2]
© OCR 2024
, 3
(d) Ethene is the monomer used to make a polymer called poly(ethene).
Fig. 1.1 shows the structure of ethene.
Fig. 1.1
H H
C C
H H
(i) Complete the diagram below to show the repeating unit of poly(ethene).
C C
[2]
(ii) Describe what happens when ethene monomers react together to form poly(ethene).
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
. .................................................................................................................................................................... [2]
© OCR 2024 Turn over
, 4
2 Lithium is an element in Group 1 of the Periodic Table.
(a)
(i) Describe one physical property of lithium.
..........................................................................................................................................................
. .................................................................................................................................................................... [1]
(ii) Complete the diagram to show the arrangement of electrons in an atom of lithium.
Use the Periodic Table.
Li
[2]
(b) Lithium reacts with water to form an alkaline solution and hydrogen gas.
Complete the word equation and balanced symbol equation for the reaction. Include state
symbols on the symbol equation.
lithium + water .......................................... + hydrogen
2Li(s) + 2..........(l) 2LiOH(..........) +............... (g)
[4]
© OCR 2024
