20252025
OCR2025
OCR
GCSE
Page OCR
GCSE
Combined
GCSE
1TITLE Combined
TITLE Combined
2025
2025Science
TITLE
OCR Science
OCR AScience
2025
GCSE (Gateway
GCSE
OCRAPackage
(Gateway
A (Gateway
Package
GCSE Science)
Science)
Deal | Science)
Package
Deal J250-04
J250-04
| Complete
Complete
Deal Chemistry
J250-04
Chemistry
| Exam
Complete
Exam Chemistry
(Foundation
Question (Foundation
Question
Exam (Foundation
Papers Tier)
Question
Paperswith
withTier)
Complete
Papers Tier)
Complete
Marking
Marking
withComplete
Question
Question
Schemes,
Schemes,
Marking Question
paper
paper
withpaper
Foundation
Schemes,
FoundationMarking
with Marking
withScheme
Foundation
& &
Higher Marking
Higher
Tier Scheme
&Tier Combined.pdf
Scheme
Higher
Bundle
BundleCombined.pdf
Tier Combined.pdf
Bundle
2025 OCR GCSE Combined Science A (Gateway Science)
J250/04 Chemistry (Foundation Tier)
Complete Question paper with Marking Scheme Combined
Friday 13 June 2025 – Morning
GCSE (9–1) Combined Science A
(Gateway Science)
J250/04 Chemistry (Foundation Tier)
Time allowed: 1 hour 10 minutes
You must have:
• a ruler (cm/mm)
• the Data Sheet for GCSE (9–1) Combined Science A
F
(Chemistry) (inside this document)
You can use:
• a scientific or graphical calculator
• an HB penci
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 60.
• 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 24 pages.
ADVICE
• Read each question carefully before you start your answer.
© OCR 2025 [601/8687/2] OCR is an exempt Charity
DC (WW/CB) 351885/3 Turn over
20252025
OCR2025
OCR
GCSE
OCR
GCSE
Combined
GCSE
Combined
Combined
Science
Science
AScience
(Gateway
A (Gateway
A (Gateway
Science)
Science)
Science)
J250-04
J250-04
Chemistry
J250-04
Chemistry
Chemistry
(Foundation
(Foundation
(Foundation
Tier)Tier)
Complete
Tier)
Complete
Complete
Question
Question
Question
paperpaper
withpaper
Marking
with Marking
withScheme
Marking
Scheme
Combined.pdf
Scheme
Combined.pdf
Combined.pdf
,20252025
OCR2025
OCR
GCSE
Page OCR
GCSE
Combined
GCSE
2TITLE Combined
TITLE Combined
2025
2025Science
TITLE
OCR Science
OCR AScience
2025
GCSE (Gateway
GCSE
OCRAPackage
(Gateway
A (Gateway
Package
GCSE Science)
Science)
Deal | Science)
Package
Deal J250-04
J250-04
| Complete
Complete
Deal Chemistry
J250-04
Chemistry
| Exam
Complete
Exam Chemistry
(Foundation
Question (Foundation
Question
Exam (Foundation
Papers Tier)
Question
Paperswith
withTier)
Complete
Papers Tier)
Complete
Marking
Marking
withComplete
Question
Question
Schemes,
Schemes,
Marking Question
paper
paper
withpaper
Foundation
Schemes,
FoundationMarking
with Marking
withScheme
Foundation
& &
Higher Marking
Higher
Tier Scheme
&Tier Combined.pdf
Scheme
Higher
Bundle
BundleCombined.pdf
Tier Combined.pdf
Bundle
2
Section A
You should spend a maximum of 20 minutes on this section. Write
your answer to each question in the box provided.
1 Which part of the Periodic Table contains the least reactive non-metals?
D
C
A
B
Your answer [1]
2 Which gas in the atmosphere causes acid rain?
A Carbon monoxide
B Hydrogen
C Oxygen
D Sulfur dioxide
Your answer [1]
3 When is electrolysis used to extract a metal from its ore?
A The metal dissolves in water.
B The metal has a high melting point.
C The metal is in high demand.
D The metal is very reactive.
Your answer [1]
© OCR 2025
20252025
OCR2025
OCR
GCSE
OCR
GCSE
Combined
GCSE
Combined
Combined
Science
Science
AScience
(Gateway
A (Gateway
A (Gateway
Science)
Science)
Science)
J250-04
J250-04
Chemistry
J250-04
Chemistry
Chemistry
(Foundation
(Foundation
(Foundation
Tier)Tier)
Complete
Tier)
Complete
Complete
Question
Question
Question
paperpaper
withpaper
Marking
with Marking
withScheme
Marking
Scheme
Combined.pdf
Scheme
Combined.pdf
Combined.pdf
,20252025
OCR2025
OCR
GCSE
Page OCR
GCSE
Combined
GCSE
3TITLE Combined
TITLE Combined
2025
2025Science
TITLE
OCR Science
OCR AScience
2025
GCSE (Gateway
GCSE
OCRAPackage
(Gateway
A (Gateway
Package
GCSE Science)
Science)
Deal | Science)
Package
Deal J250-04
J250-04
| Complete
Complete
Deal Chemistry
J250-04
Chemistry
| Exam
Complete
Exam Chemistry
(Foundation
Question (Foundation
Question
Exam (Foundation
Papers Tier)
Question
Paperswith
withTier)
Complete
Papers Tier)
Complete
Marking
Marking
withComplete
Question
Question
Schemes,
Schemes,
Marking Question
paper
paper
withpaper
Foundation
Schemes,
FoundationMarking
with Marking
withScheme
Foundation
& &
Higher Marking
Higher
Tier Scheme
&Tier Combined.pdf
Scheme
Higher
Bundle
BundleCombined.pdf
Tier Combined.pdf
Bundle
3
4 The diagram shows the stages in a life-cycle assessment.
Disposal Raw materials
Use Manufacture
X
What is stage X?
A Consumer research
B Design of the product
C Processing of the raw materials
D Transportation of the product
Your answer [1]
5 Part of the reactivity series is shown below.
Aluminium most reactive
Carbon
Tin
Lead least reactive
Which metal(s) are produced when their metal oxides are heated with carbon?
A Aluminium only
B Aluminium and lead
C Tin and lead
D Tin only
Your answer [1]
© OCR 2025 Turn over
20252025
OCR2025
OCR
GCSE
OCR
GCSE
Combined
GCSE
Combined
Combined
Science
Science
AScience
(Gateway
A (Gateway
A (Gateway
Science)
Science)
Science)
J250-04
J250-04
Chemistry
J250-04
Chemistry
Chemistry
(Foundation
(Foundation
(Foundation
Tier)Tier)
Complete
Tier)
Complete
Complete
Question
Question
Question
paperpaper
withpaper
Marking
with Marking
withScheme
Marking
Scheme
Combined.pdf
Scheme
Combined.pdf
Combined.pdf
,20252025
OCR2025
OCR
GCSE
Page OCR
GCSE
Combined
GCSE
4TITLE Combined
TITLE Combined
2025
2025Science
TITLE
OCR Science
OCR AScience
2025
GCSE (Gateway
GCSE
OCRAPackage
(Gateway
A (Gateway
Package
GCSE Science)
Science)
Deal | Science)
Package
Deal J250-04
J250-04
| Complete
Complete
Deal Chemistry
J250-04
Chemistry
| Exam
Complete
Exam Chemistry
(Foundation
Question (Foundation
Question
Exam (Foundation
Papers Tier)
Question
Paperswith
withTier)
Complete
Papers Tier)
Complete
Marking
Marking
withComplete
Question
Question
Schemes,
Schemes,
Marking Question
paper
paper
withpaper
Foundation
Schemes,
FoundationMarking
with Marking
withScheme
Foundation
& &
Higher Marking
Higher
Tier Scheme
&Tier Combined.pdf
Scheme
Higher
Bundle
BundleCombined.pdf
Tier Combined.pdf
Bundle
4
6 When marble chips react with an acid, they produce a colourless solution and a gas.
Which method is used to determine the rate of reaction?
A A disappearing cross experiment
B Gas chromatography
C Measuring the mass loss using a balance
D Measuring the volume of solution produced
Your answer [1]
7 Which Group 7 element is a red-brown liquid at room temperature?
A Fluorine
B Chlorine
C Bromine
D Iodine
Your answer [1]
8 Desalination is the removal of salt from seawater to produce drinking water.
The seawater is heated and the water vapour condensed and collected.
Which separation technique is used to produce drinking water in desalination?
A Chromatography
B Crystallisation
C Distillation
D Filtration
Your answer [1]
© OCR 2025
20252025
OCR2025
OCR
GCSE
OCR
GCSE
Combined
GCSE
Combined
Combined
Science
Science
AScience
(Gateway
A (Gateway
A (Gateway
Science)
Science)
Science)
J250-04
J250-04
Chemistry
J250-04
Chemistry
Chemistry
(Foundation
(Foundation
(Foundation
Tier)Tier)
Complete
Tier)
Complete
Complete
Question
Question
Question
paperpaper
withpaper
Marking
with Marking
withScheme
Marking
Scheme
Combined.pdf
Scheme
Combined.pdf
Combined.pdf
OCR2025
OCR
GCSE
Page OCR
GCSE
Combined
GCSE
1TITLE Combined
TITLE Combined
2025
2025Science
TITLE
OCR Science
OCR AScience
2025
GCSE (Gateway
GCSE
OCRAPackage
(Gateway
A (Gateway
Package
GCSE Science)
Science)
Deal | Science)
Package
Deal J250-04
J250-04
| Complete
Complete
Deal Chemistry
J250-04
Chemistry
| Exam
Complete
Exam Chemistry
(Foundation
Question (Foundation
Question
Exam (Foundation
Papers Tier)
Question
Paperswith
withTier)
Complete
Papers Tier)
Complete
Marking
Marking
withComplete
Question
Question
Schemes,
Schemes,
Marking Question
paper
paper
withpaper
Foundation
Schemes,
FoundationMarking
with Marking
withScheme
Foundation
& &
Higher Marking
Higher
Tier Scheme
&Tier Combined.pdf
Scheme
Higher
Bundle
BundleCombined.pdf
Tier Combined.pdf
Bundle
2025 OCR GCSE Combined Science A (Gateway Science)
J250/04 Chemistry (Foundation Tier)
Complete Question paper with Marking Scheme Combined
Friday 13 June 2025 – Morning
GCSE (9–1) Combined Science A
(Gateway Science)
J250/04 Chemistry (Foundation Tier)
Time allowed: 1 hour 10 minutes
You must have:
• a ruler (cm/mm)
• the Data Sheet for GCSE (9–1) Combined Science A
F
(Chemistry) (inside this document)
You can use:
• a scientific or graphical calculator
• an HB penci
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 60.
• 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 24 pages.
ADVICE
• Read each question carefully before you start your answer.
© OCR 2025 [601/8687/2] OCR is an exempt Charity
DC (WW/CB) 351885/3 Turn over
20252025
OCR2025
OCR
GCSE
OCR
GCSE
Combined
GCSE
Combined
Combined
Science
Science
AScience
(Gateway
A (Gateway
A (Gateway
Science)
Science)
Science)
J250-04
J250-04
Chemistry
J250-04
Chemistry
Chemistry
(Foundation
(Foundation
(Foundation
Tier)Tier)
Complete
Tier)
Complete
Complete
Question
Question
Question
paperpaper
withpaper
Marking
with Marking
withScheme
Marking
Scheme
Combined.pdf
Scheme
Combined.pdf
Combined.pdf
,20252025
OCR2025
OCR
GCSE
Page OCR
GCSE
Combined
GCSE
2TITLE Combined
TITLE Combined
2025
2025Science
TITLE
OCR Science
OCR AScience
2025
GCSE (Gateway
GCSE
OCRAPackage
(Gateway
A (Gateway
Package
GCSE Science)
Science)
Deal | Science)
Package
Deal J250-04
J250-04
| Complete
Complete
Deal Chemistry
J250-04
Chemistry
| Exam
Complete
Exam Chemistry
(Foundation
Question (Foundation
Question
Exam (Foundation
Papers Tier)
Question
Paperswith
withTier)
Complete
Papers Tier)
Complete
Marking
Marking
withComplete
Question
Question
Schemes,
Schemes,
Marking Question
paper
paper
withpaper
Foundation
Schemes,
FoundationMarking
with Marking
withScheme
Foundation
& &
Higher Marking
Higher
Tier Scheme
&Tier Combined.pdf
Scheme
Higher
Bundle
BundleCombined.pdf
Tier Combined.pdf
Bundle
2
Section A
You should spend a maximum of 20 minutes on this section. Write
your answer to each question in the box provided.
1 Which part of the Periodic Table contains the least reactive non-metals?
D
C
A
B
Your answer [1]
2 Which gas in the atmosphere causes acid rain?
A Carbon monoxide
B Hydrogen
C Oxygen
D Sulfur dioxide
Your answer [1]
3 When is electrolysis used to extract a metal from its ore?
A The metal dissolves in water.
B The metal has a high melting point.
C The metal is in high demand.
D The metal is very reactive.
Your answer [1]
© OCR 2025
20252025
OCR2025
OCR
GCSE
OCR
GCSE
Combined
GCSE
Combined
Combined
Science
Science
AScience
(Gateway
A (Gateway
A (Gateway
Science)
Science)
Science)
J250-04
J250-04
Chemistry
J250-04
Chemistry
Chemistry
(Foundation
(Foundation
(Foundation
Tier)Tier)
Complete
Tier)
Complete
Complete
Question
Question
Question
paperpaper
withpaper
Marking
with Marking
withScheme
Marking
Scheme
Combined.pdf
Scheme
Combined.pdf
Combined.pdf
,20252025
OCR2025
OCR
GCSE
Page OCR
GCSE
Combined
GCSE
3TITLE Combined
TITLE Combined
2025
2025Science
TITLE
OCR Science
OCR AScience
2025
GCSE (Gateway
GCSE
OCRAPackage
(Gateway
A (Gateway
Package
GCSE Science)
Science)
Deal | Science)
Package
Deal J250-04
J250-04
| Complete
Complete
Deal Chemistry
J250-04
Chemistry
| Exam
Complete
Exam Chemistry
(Foundation
Question (Foundation
Question
Exam (Foundation
Papers Tier)
Question
Paperswith
withTier)
Complete
Papers Tier)
Complete
Marking
Marking
withComplete
Question
Question
Schemes,
Schemes,
Marking Question
paper
paper
withpaper
Foundation
Schemes,
FoundationMarking
with Marking
withScheme
Foundation
& &
Higher Marking
Higher
Tier Scheme
&Tier Combined.pdf
Scheme
Higher
Bundle
BundleCombined.pdf
Tier Combined.pdf
Bundle
3
4 The diagram shows the stages in a life-cycle assessment.
Disposal Raw materials
Use Manufacture
X
What is stage X?
A Consumer research
B Design of the product
C Processing of the raw materials
D Transportation of the product
Your answer [1]
5 Part of the reactivity series is shown below.
Aluminium most reactive
Carbon
Tin
Lead least reactive
Which metal(s) are produced when their metal oxides are heated with carbon?
A Aluminium only
B Aluminium and lead
C Tin and lead
D Tin only
Your answer [1]
© OCR 2025 Turn over
20252025
OCR2025
OCR
GCSE
OCR
GCSE
Combined
GCSE
Combined
Combined
Science
Science
AScience
(Gateway
A (Gateway
A (Gateway
Science)
Science)
Science)
J250-04
J250-04
Chemistry
J250-04
Chemistry
Chemistry
(Foundation
(Foundation
(Foundation
Tier)Tier)
Complete
Tier)
Complete
Complete
Question
Question
Question
paperpaper
withpaper
Marking
with Marking
withScheme
Marking
Scheme
Combined.pdf
Scheme
Combined.pdf
Combined.pdf
,20252025
OCR2025
OCR
GCSE
Page OCR
GCSE
Combined
GCSE
4TITLE Combined
TITLE Combined
2025
2025Science
TITLE
OCR Science
OCR AScience
2025
GCSE (Gateway
GCSE
OCRAPackage
(Gateway
A (Gateway
Package
GCSE Science)
Science)
Deal | Science)
Package
Deal J250-04
J250-04
| Complete
Complete
Deal Chemistry
J250-04
Chemistry
| Exam
Complete
Exam Chemistry
(Foundation
Question (Foundation
Question
Exam (Foundation
Papers Tier)
Question
Paperswith
withTier)
Complete
Papers Tier)
Complete
Marking
Marking
withComplete
Question
Question
Schemes,
Schemes,
Marking Question
paper
paper
withpaper
Foundation
Schemes,
FoundationMarking
with Marking
withScheme
Foundation
& &
Higher Marking
Higher
Tier Scheme
&Tier Combined.pdf
Scheme
Higher
Bundle
BundleCombined.pdf
Tier Combined.pdf
Bundle
4
6 When marble chips react with an acid, they produce a colourless solution and a gas.
Which method is used to determine the rate of reaction?
A A disappearing cross experiment
B Gas chromatography
C Measuring the mass loss using a balance
D Measuring the volume of solution produced
Your answer [1]
7 Which Group 7 element is a red-brown liquid at room temperature?
A Fluorine
B Chlorine
C Bromine
D Iodine
Your answer [1]
8 Desalination is the removal of salt from seawater to produce drinking water.
The seawater is heated and the water vapour condensed and collected.
Which separation technique is used to produce drinking water in desalination?
A Chromatography
B Crystallisation
C Distillation
D Filtration
Your answer [1]
© OCR 2025
20252025
OCR2025
OCR
GCSE
OCR
GCSE
Combined
GCSE
Combined
Combined
Science
Science
AScience
(Gateway
A (Gateway
A (Gateway
Science)
Science)
Science)
J250-04
J250-04
Chemistry
J250-04
Chemistry
Chemistry
(Foundation
(Foundation
(Foundation
Tier)Tier)
Complete
Tier)
Complete
Complete
Question
Question
Question
paperpaper
withpaper
Marking
with Marking
withScheme
Marking
Scheme
Combined.pdf
Scheme
Combined.pdf
Combined.pdf
