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?OCRGCSE
?OCR OCR
GCSE
1?OCR(9–1)
GCSE
GCSEGCSE
(9–1)
GCSE
(9?1)Chemistry
(9?1)(9–1)
Chemistry
(9?1)
Official
Official Chemistry
A (Gateway
Official
QuestionA (Gateway
Question A (Gateway
Question
PaperScience)
Paper Science)
Paper
with
with Science)
J248-01
Complete
with J248-01
Complete Foundation
J248-01
Complete Foundation
Marking
Marking Foundation
Marking Tier
Scheme,
Scheme, –
Tier
Scheme, May
–
Tier
Answers,
Answers,May
2025
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Answers,
andMay
2025
andMorning
2025
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Morning
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Step-by-Step
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Step-by-StepQuestion
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Paper
Solutions
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Solutions
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Paper
& Exam
Exam
for Marking
& Scheme
Marking
PracticeScheme.pdf
Practice Scheme.pdf
Practice
and
andRevision?
and
Revision?
Revision?
2025 OCR GCSE Chemistry A (Gateway Science)
J248/01 (Foundation Tier)
Complete Question paper with Marking Scheme Combined
Monday 19 May 2025 – Morning
GCSE (9–1) Chemistry A (Gateway Science)
J248/01 (Foundation Tier)
Time allowed: 1 hour 45 minutes
You must have:
• a ruler (cm/mm)
• the Data Sheet for GCSE (9–1) Chemistry A (inside
this document)
You can use:
F
• a scientific or graphical calculator
• an HB pe
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 pages 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 [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 28 pages.
ADVICE
• Read each question carefully before you start your answer.
© OCR 2025 [601/8663/X] OCR is an exempt Charity
DC (DE/SW) 353815/6 Turn over
OCROCR
GCSE
OCR
GCSE
(9–1)
GCSE
(9–1)
Chemistry
(9–1)
Chemistry
Chemistry
A (Gateway
A (Gateway
A (Gateway
Science)
Science)
Science)
J248-01
J248-01
Foundation
J248-01
Foundation
Foundation
Tier –
TierMay
–
TierMay
2025
– May
2025
Morning
2025
Morning
Morning
Question
Question
Question
Paper
Paper
& Marking
Paper
& Marking
& Scheme.pdf
Marking
Scheme.pdf
Scheme.pdf
,OCROCR
Page
?OCRGCSE
?OCR OCR
GCSE
2?OCR(9–1)
GCSE
GCSEGCSE
(9–1)
GCSE
(9?1)Chemistry
(9?1)(9–1)
Chemistry
(9?1)
Official
Official Chemistry
A (Gateway
Official
QuestionA (Gateway
Question A (Gateway
Question
PaperScience)
Paper Science)
Paper
with
with Science)
J248-01
Complete
with J248-01
Complete Foundation
J248-01
Complete Foundation
Marking
Marking Foundation
Marking Tier
Scheme,
Scheme, –
Tier
Scheme, May
–
Tier
Answers,
Answers,May
2025
–
Answers,
andMay
2025
andMorning
2025
Morning
Morning
Question
Step-by-Step
and
Step-by-StepQuestion
Step-by-Step Question
Paper
Solutions
SolutionsPaper
&Exam
Solutions
for
for Marking
Paper
& Exam
Exam
for Marking
& Scheme
Marking
PracticeScheme.pdf
Practice Scheme.pdf
Practice
and
andRevision?
and
Revision?
Revision?
2
Section A
You should spend a maximum of 30 minutes on this section.
Write your answer to each question in the box provided.
1 Which state of matter is shown in the particle model diagram?
A Aqueous
B Gas
C Liquid
D Solid
Your answer [1]
2 What is the part of the atom labelled X?
X
A Electron
B Neutron
C Nucleus
D Proton
Your answer [1]
© OCR 2025
OCROCR
GCSE
OCR
GCSE
(9–1)
GCSE
(9–1)
Chemistry
(9–1)
Chemistry
Chemistry
A (Gateway
A (Gateway
A (Gateway
Science)
Science)
Science)
J248-01
J248-01
Foundation
J248-01
Foundation
Foundation
Tier –
TierMay
–
TierMay
2025
– May
2025
Morning
2025
Morning
Morning
Question
Question
Question
Paper
Paper
& Marking
Paper
& Marking
& Scheme.pdf
Marking
Scheme.pdf
Scheme.pdf
,OCROCR
Page
?OCRGCSE
?OCR OCR
GCSE
3?OCR(9–1)
GCSE
GCSEGCSE
(9–1)
GCSE
(9?1)Chemistry
(9?1)(9–1)
Chemistry
(9?1)
Official
Official Chemistry
A (Gateway
Official
QuestionA (Gateway
Question A (Gateway
Question
PaperScience)
Paper Science)
Paper
with
with Science)
J248-01
Complete
with J248-01
Complete Foundation
J248-01
Complete Foundation
Marking
Marking Foundation
Marking Tier
Scheme,
Scheme, –
Tier
Scheme, May
–
Tier
Answers,
Answers,May
2025
–
Answers,
andMay
2025
andMorning
2025
Morning
Morning
Question
Step-by-Step
and
Step-by-StepQuestion
Step-by-Step Question
Paper
Solutions
SolutionsPaper
&Exam
Solutions
for
for Marking
Paper
& Exam
Exam
for Marking
& Scheme
Marking
PracticeScheme.pdf
Practice Scheme.pdf
Practice
and
andRevision?
and
Revision?
Revision?
3
3 What is the typical radius of an atom?
A 1 × 10–10 m
B 1 × 10–1 m
C 1 × 101 m
D 1 × 1010 m
Your answer [1]
4 Which type of molecule is shown in the diagram?
H H
C C
H Cl n
A Alkane
B Alkene
C Monomer
D Polymer
Your answer [1]
5 What is meant by activation energy?
A The maximum amount of energy needed to end a reaction.
B The maximum amount of energy needed to start a reaction.
C The minimum amount of energy needed to end a reaction.
D The minimum amount of energy needed to start a reaction.
Your answer [1]
© OCR 2025 Turn over
OCROCR
GCSE
OCR
GCSE
(9–1)
GCSE
(9–1)
Chemistry
(9–1)
Chemistry
Chemistry
A (Gateway
A (Gateway
A (Gateway
Science)
Science)
Science)
J248-01
J248-01
Foundation
J248-01
Foundation
Foundation
Tier –
TierMay
–
TierMay
2025
– May
2025
Morning
2025
Morning
Morning
Question
Question
Question
Paper
Paper
& Marking
Paper
& Marking
& Scheme.pdf
Marking
Scheme.pdf
Scheme.pdf
, OCROCR
Page
?OCRGCSE
?OCR OCR
GCSE
4?OCR(9–1)
GCSE
GCSEGCSE
(9–1)
GCSE
(9?1)Chemistry
(9?1)(9–1)
Chemistry
(9?1)
Official
Official Chemistry
A (Gateway
Official
QuestionA (Gateway
Question A (Gateway
Question
PaperScience)
Paper Science)
Paper
with
with Science)
J248-01
Complete
with J248-01
Complete Foundation
J248-01
Complete Foundation
Marking
Marking Foundation
Marking Tier
Scheme,
Scheme, –
Tier
Scheme, May
–
Tier
Answers,
Answers,May
2025
–
Answers,
andMay
2025
andMorning
2025
Morning
Morning
Question
Step-by-Step
and
Step-by-StepQuestion
Step-by-Step Question
Paper
Solutions
SolutionsPaper
&Exam
Solutions
for
for Marking
Paper
& Exam
Exam
for Marking
& Scheme
Marking
PracticeScheme.pdf
Practice Scheme.pdf
Practice
and
andRevision?
and
Revision?
Revision?
4
6 How did Mendeleev order the elements in his version of the Periodic Table?
A Decreasing atomic mass
B Decreasing atomic number
C Increasing atomic mass
D Increasing atomic number
Your answer [1]
7 Fluorine has a melting point of –220 °C and a boiling point of –188 °C.
What is the state of fluorine at 25 °C?
A Aqueous
B Gas
C Liquid
D Solid
Your answer [1]
8 An element has an electronic arrangement 2.8.1.
Which section of the Periodic Table is the element in?
C
A D
B
Your answer [1]
© OCR 2025
OCROCR
GCSE
OCR
GCSE
(9–1)
GCSE
(9–1)
Chemistry
(9–1)
Chemistry
Chemistry
A (Gateway
A (Gateway
A (Gateway
Science)
Science)
Science)
J248-01
J248-01
Foundation
J248-01
Foundation
Foundation
Tier –
TierMay
–
TierMay
2025
– May
2025
Morning
2025
Morning
Morning
Question
Question
Question
Paper
Paper
& Marking
Paper
& Marking
& Scheme.pdf
Marking
Scheme.pdf
Scheme.pdf
Page
?OCRGCSE
?OCR OCR
GCSE
1?OCR(9–1)
GCSE
GCSEGCSE
(9–1)
GCSE
(9?1)Chemistry
(9?1)(9–1)
Chemistry
(9?1)
Official
Official Chemistry
A (Gateway
Official
QuestionA (Gateway
Question A (Gateway
Question
PaperScience)
Paper Science)
Paper
with
with Science)
J248-01
Complete
with J248-01
Complete Foundation
J248-01
Complete Foundation
Marking
Marking Foundation
Marking Tier
Scheme,
Scheme, –
Tier
Scheme, May
–
Tier
Answers,
Answers,May
2025
–
Answers,
andMay
2025
andMorning
2025
Morning
Morning
Question
Step-by-Step
and
Step-by-StepQuestion
Step-by-Step Question
Paper
Solutions
SolutionsPaper
&Exam
Solutions
for
for Marking
Paper
& Exam
Exam
for Marking
& Scheme
Marking
PracticeScheme.pdf
Practice Scheme.pdf
Practice
and
andRevision?
and
Revision?
Revision?
2025 OCR GCSE Chemistry A (Gateway Science)
J248/01 (Foundation Tier)
Complete Question paper with Marking Scheme Combined
Monday 19 May 2025 – Morning
GCSE (9–1) Chemistry A (Gateway Science)
J248/01 (Foundation Tier)
Time allowed: 1 hour 45 minutes
You must have:
• a ruler (cm/mm)
• the Data Sheet for GCSE (9–1) Chemistry A (inside
this document)
You can use:
F
• a scientific or graphical calculator
• an HB pe
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 pages 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 [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 28 pages.
ADVICE
• Read each question carefully before you start your answer.
© OCR 2025 [601/8663/X] OCR is an exempt Charity
DC (DE/SW) 353815/6 Turn over
OCROCR
GCSE
OCR
GCSE
(9–1)
GCSE
(9–1)
Chemistry
(9–1)
Chemistry
Chemistry
A (Gateway
A (Gateway
A (Gateway
Science)
Science)
Science)
J248-01
J248-01
Foundation
J248-01
Foundation
Foundation
Tier –
TierMay
–
TierMay
2025
– May
2025
Morning
2025
Morning
Morning
Question
Question
Question
Paper
Paper
& Marking
Paper
& Marking
& Scheme.pdf
Marking
Scheme.pdf
Scheme.pdf
,OCROCR
Page
?OCRGCSE
?OCR OCR
GCSE
2?OCR(9–1)
GCSE
GCSEGCSE
(9–1)
GCSE
(9?1)Chemistry
(9?1)(9–1)
Chemistry
(9?1)
Official
Official Chemistry
A (Gateway
Official
QuestionA (Gateway
Question A (Gateway
Question
PaperScience)
Paper Science)
Paper
with
with Science)
J248-01
Complete
with J248-01
Complete Foundation
J248-01
Complete Foundation
Marking
Marking Foundation
Marking Tier
Scheme,
Scheme, –
Tier
Scheme, May
–
Tier
Answers,
Answers,May
2025
–
Answers,
andMay
2025
andMorning
2025
Morning
Morning
Question
Step-by-Step
and
Step-by-StepQuestion
Step-by-Step Question
Paper
Solutions
SolutionsPaper
&Exam
Solutions
for
for Marking
Paper
& Exam
Exam
for Marking
& Scheme
Marking
PracticeScheme.pdf
Practice Scheme.pdf
Practice
and
andRevision?
and
Revision?
Revision?
2
Section A
You should spend a maximum of 30 minutes on this section.
Write your answer to each question in the box provided.
1 Which state of matter is shown in the particle model diagram?
A Aqueous
B Gas
C Liquid
D Solid
Your answer [1]
2 What is the part of the atom labelled X?
X
A Electron
B Neutron
C Nucleus
D Proton
Your answer [1]
© OCR 2025
OCROCR
GCSE
OCR
GCSE
(9–1)
GCSE
(9–1)
Chemistry
(9–1)
Chemistry
Chemistry
A (Gateway
A (Gateway
A (Gateway
Science)
Science)
Science)
J248-01
J248-01
Foundation
J248-01
Foundation
Foundation
Tier –
TierMay
–
TierMay
2025
– May
2025
Morning
2025
Morning
Morning
Question
Question
Question
Paper
Paper
& Marking
Paper
& Marking
& Scheme.pdf
Marking
Scheme.pdf
Scheme.pdf
,OCROCR
Page
?OCRGCSE
?OCR OCR
GCSE
3?OCR(9–1)
GCSE
GCSEGCSE
(9–1)
GCSE
(9?1)Chemistry
(9?1)(9–1)
Chemistry
(9?1)
Official
Official Chemistry
A (Gateway
Official
QuestionA (Gateway
Question A (Gateway
Question
PaperScience)
Paper Science)
Paper
with
with Science)
J248-01
Complete
with J248-01
Complete Foundation
J248-01
Complete Foundation
Marking
Marking Foundation
Marking Tier
Scheme,
Scheme, –
Tier
Scheme, May
–
Tier
Answers,
Answers,May
2025
–
Answers,
andMay
2025
andMorning
2025
Morning
Morning
Question
Step-by-Step
and
Step-by-StepQuestion
Step-by-Step Question
Paper
Solutions
SolutionsPaper
&Exam
Solutions
for
for Marking
Paper
& Exam
Exam
for Marking
& Scheme
Marking
PracticeScheme.pdf
Practice Scheme.pdf
Practice
and
andRevision?
and
Revision?
Revision?
3
3 What is the typical radius of an atom?
A 1 × 10–10 m
B 1 × 10–1 m
C 1 × 101 m
D 1 × 1010 m
Your answer [1]
4 Which type of molecule is shown in the diagram?
H H
C C
H Cl n
A Alkane
B Alkene
C Monomer
D Polymer
Your answer [1]
5 What is meant by activation energy?
A The maximum amount of energy needed to end a reaction.
B The maximum amount of energy needed to start a reaction.
C The minimum amount of energy needed to end a reaction.
D The minimum amount of energy needed to start a reaction.
Your answer [1]
© OCR 2025 Turn over
OCROCR
GCSE
OCR
GCSE
(9–1)
GCSE
(9–1)
Chemistry
(9–1)
Chemistry
Chemistry
A (Gateway
A (Gateway
A (Gateway
Science)
Science)
Science)
J248-01
J248-01
Foundation
J248-01
Foundation
Foundation
Tier –
TierMay
–
TierMay
2025
– May
2025
Morning
2025
Morning
Morning
Question
Question
Question
Paper
Paper
& Marking
Paper
& Marking
& Scheme.pdf
Marking
Scheme.pdf
Scheme.pdf
, OCROCR
Page
?OCRGCSE
?OCR OCR
GCSE
4?OCR(9–1)
GCSE
GCSEGCSE
(9–1)
GCSE
(9?1)Chemistry
(9?1)(9–1)
Chemistry
(9?1)
Official
Official Chemistry
A (Gateway
Official
QuestionA (Gateway
Question A (Gateway
Question
PaperScience)
Paper Science)
Paper
with
with Science)
J248-01
Complete
with J248-01
Complete Foundation
J248-01
Complete Foundation
Marking
Marking Foundation
Marking Tier
Scheme,
Scheme, –
Tier
Scheme, May
–
Tier
Answers,
Answers,May
2025
–
Answers,
andMay
2025
andMorning
2025
Morning
Morning
Question
Step-by-Step
and
Step-by-StepQuestion
Step-by-Step Question
Paper
Solutions
SolutionsPaper
&Exam
Solutions
for
for Marking
Paper
& Exam
Exam
for Marking
& Scheme
Marking
PracticeScheme.pdf
Practice Scheme.pdf
Practice
and
andRevision?
and
Revision?
Revision?
4
6 How did Mendeleev order the elements in his version of the Periodic Table?
A Decreasing atomic mass
B Decreasing atomic number
C Increasing atomic mass
D Increasing atomic number
Your answer [1]
7 Fluorine has a melting point of –220 °C and a boiling point of –188 °C.
What is the state of fluorine at 25 °C?
A Aqueous
B Gas
C Liquid
D Solid
Your answer [1]
8 An element has an electronic arrangement 2.8.1.
Which section of the Periodic Table is the element in?
C
A D
B
Your answer [1]
© OCR 2025
OCROCR
GCSE
OCR
GCSE
(9–1)
GCSE
(9–1)
Chemistry
(9–1)
Chemistry
Chemistry
A (Gateway
A (Gateway
A (Gateway
Science)
Science)
Science)
J248-01
J248-01
Foundation
J248-01
Foundation
Foundation
Tier –
TierMay
–
TierMay
2025
– May
2025
Morning
2025
Morning
Morning
Question
Question
Question
Paper
Paper
& Marking
Paper
& Marking
& Scheme.pdf
Marking
Scheme.pdf
Scheme.pdf
