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OCR GCSE (9–1) Chemistry A (Gateway Science) J248-02 Foundation Tier June 2025 Morning Complete Comprehensive Revision Guide, Topic-by-Topic Breakdown, Core Chemistry Concepts, Exam-Style Practice Questions, and 100% Verified with Correct Answers for 2025

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This revision guide provides a structured breakdown of OCR GCSE (9–1) Chemistry A (Gateway Science) J248-02 Foundation Tier, supporting students preparing for the June 2025 morning paper and the 2025/ 2026 exam cycle. It covers essential chemistry topics such as atomic structure, periodic table trends, bonding, chemical reactions, energy changes, and quantitative chemistry using clear, step-by-step explanations aligned with the specification. Learners can build confidence through focused revision notes and exam-style questions designed to improve understanding, accuracy, and problem-solving skills. The resource supports effective preparation for Foundation Tier assessments by strengthening core chemistry knowledge and application in exam scenarios.

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CR
(9–1)
GCSE Chemistry
OCR
(9–1)
GCSE Chemistry
A (Gateway
(9–1) Chemistry
A Science)
(Gateway AJ248-02
Science)
(Gateway
Foundation
J248-02
Science)
Foundation
Tier
J248-02
– June
Foundation
Tier2025
– June
Morning
Tier2025
–Complete
June
Morning
2025OCR
Complete
Morning
GCSE OCR
Complete
Question
GCSE OCR
Paper
Question
GCSE
withPaper
Full
Question
Marking
withPaper
Full
Scheme.pdf
Marking
with Full
Scheme.pd
Marking
1 of 58TITLE 2025 OCR GCSE Package Deal | 20251100%
Complete Exam
CORRECT
Question Papers with Marking Schemes, Foundation & Higher


2025 OCR GCSE Chemistry A (Gateway Science)
J248/02 (Foundation Tier)
Complete Question paper with Marking Scheme Combined




Friday 13 June 2025 – Morning
GCSE (9–1) Chemistry A (Gateway Science)
J248/02 (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 penc
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 [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 32 pages.

ADVICE
• Read each question carefully before you start your answer.




© OCR 2025 [601/8663/X] OCR is an exempt Charity
DC (PQ/CT) 353820/4 Turn over




Page 1
CR
(9–1)
GCSE Chemistry
OCR
(9–1)
GCSE Chemistry
A (Gateway
(9–1) Chemistry
A Science)
(Gateway AJ248-02
Science)
(Gateway
Foundation
J248-02
Science)
Foundation
Tier
J248-02
– June
Foundation
Tier2025
– June
Morning
Tier2025
–Complete
June
Morning
2025OCR
Complete
Morning
GCSE OCR
Complete
Question
GCSE OCR
Paper
Question
GCSE
withPaper
Full
Question
Marking
withPaper
Full
Scheme.pdf
Marking
with Full
Scheme.pd
Marking

,CR
(9–1)
GCSE Chemistry
OCR
(9–1)
GCSE Chemistry
A (Gateway
(9–1) Chemistry
A Science)
(Gateway AJ248-02
Science)
(Gateway
Foundation
J248-02
Science)
Foundation
Tier
J248-02
– June
Foundation
Tier2025
– June
Morning
Tier2025
–Complete
June
Morning
2025OCR
Complete
Morning
GCSE OCR
Complete
Question
GCSE OCR
Paper
Question
GCSE
withPaper
Full
Question
Marking
withPaper
Full
Scheme.pdf
Marking
with Full
Scheme.pd
Marking
2 of 58TITLE 2025 OCR GCSE Package Deal | 20252100%
Complete Exam
CORRECT
Question Papers with Marking Schemes, Foundation & Higher

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 Butane is an alkane.

What is a use for butane?

A Ceramics

B Fertiliser

C Fuel

D Surfacing roads


Your answer [1]


2 A student adds sodium hydroxide to a solution containing copper ions.

Which colour precipitate is made?

A Blue

B Green

C Orange-brown

D White


Your answer [1]


3 Which molecule can be cracked to make octane, C8H18?

A C6H12

B C6H14

C C8H16

D C12H26


Your answer [1]




© OCR 2025




Page 2
CR
(9–1)
GCSE Chemistry
OCR
(9–1)
GCSE Chemistry
A (Gateway
(9–1) Chemistry
A Science)
(Gateway AJ248-02
Science)
(Gateway
Foundation
J248-02
Science)
Foundation
Tier
J248-02
– June
Foundation
Tier2025
– June
Morning
Tier2025
–Complete
June
Morning
2025OCR
Complete
Morning
GCSE OCR
Complete
Question
GCSE OCR
Paper
Question
GCSE
withPaper
Full
Question
Marking
withPaper
Full
Scheme.pdf
Marking
with Full
Scheme.pd
Marking

,CR
(9–1)
GCSE Chemistry
OCR
(9–1)
GCSE Chemistry
A (Gateway
(9–1) Chemistry
A Science)
(Gateway AJ248-02
Science)
(Gateway
Foundation
J248-02
Science)
Foundation
Tier
J248-02
– June
Foundation
Tier2025
– June
Morning
Tier2025
–Complete
June
Morning
2025OCR
Complete
Morning
GCSE OCR
Complete
Question
GCSE OCR
Paper
Question
GCSE
withPaper
Full
Question
Marking
withPaper
Full
Scheme.pdf
Marking
with Full
Scheme.pd
Marking
3 of 58TITLE 2025 OCR GCSE Package Deal | 20253100%
Complete Exam
CORRECT
Question Papers with Marking Schemes, Foundation & Higher

3
4 What is a property of a Group 1 metal?

A Brittle

B Does not conduct electricity

C Forms coloured compounds

D Low density


Your answer [1]



5 Crude oil is separated into fractions by fractional distillation.

X
50 °C
120 °C


250 °C


Crude oil vapour 350 °C




Which fraction is obtained at X?

A Bitumen

B Diesel

C LPG

D Petrol

Your answer [1]




© OCR 2025 Turn over


Page 3
CR
(9–1)
GCSE Chemistry
OCR
(9–1)
GCSE Chemistry
A (Gateway
(9–1) Chemistry
A Science)
(Gateway AJ248-02
Science)
(Gateway
Foundation
J248-02
Science)
Foundation
Tier
J248-02
– June
Foundation
Tier2025
– June
Morning
Tier2025
–Complete
June
Morning
2025OCR
Complete
Morning
GCSE OCR
Complete
Question
GCSE OCR
Paper
Question
GCSE
withPaper
Full
Question
Marking
withPaper
Full
Scheme.pdf
Marking
with Full
Scheme.pd
Marking

,CR
(9–1)
GCSE Chemistry
OCR
(9–1)
GCSE Chemistry
A (Gateway
(9–1) Chemistry
A Science)
(Gateway AJ248-02
Science)
(Gateway
Foundation
J248-02
Science)
Foundation
Tier
J248-02
– June
Foundation
Tier2025
– June
Morning
Tier2025
–Complete
June
Morning
2025OCR
Complete
Morning
GCSE OCR
Complete
Question
GCSE OCR
Paper
Question
GCSE
withPaper
Full
Question
Marking
withPaper
Full
Scheme.pdf
Marking
with Full
Scheme.pd
Marking
4 of 58TITLE 2025 OCR GCSE Package Deal | 20254100%
Complete Exam
CORRECT
Question Papers with Marking Schemes, Foundation & Higher

4
6 Magnesium reacts with excess hydrochloric acid.

What would increase the rate of the reaction?

A Use a larger volume of hydrochloric acid.

B Use a smaller beaker for the reaction.

C Use larger pieces of magnesium.

D Use more concentrated hydrochloric acid.


Your answer [1]



7 A student measures the volume of gas made during a reaction.

The graph shows their results.


60

50

40
Volume of
gas 30
(cm3)
20

10

0
0 5 10 15 20 25 30 35 40
Time (s)

Which statement about the reaction is not correct?

A The final volume of gas made is 60 cm3.

B The rate of reaction speeds up during the reaction.

C The reaction finishes at 30 s.

D The volume of gas made increases during the reaction.

Your answer [1]




© OCR 2025




Page 4
CR
(9–1)
GCSE Chemistry
OCR
(9–1)
GCSE Chemistry
A (Gateway
(9–1) Chemistry
A Science)
(Gateway AJ248-02
Science)
(Gateway
Foundation
J248-02
Science)
Foundation
Tier
J248-02
– June
Foundation
Tier2025
– June
Morning
Tier2025
–Complete
June
Morning
2025OCR
Complete
Morning
GCSE OCR
Complete
Question
GCSE OCR
Paper
Question
GCSE
withPaper
Full
Question
Marking
withPaper
Full
Scheme.pdf
Marking
with Full
Scheme.pd
Marking

Document information

Study
School year
1
Uploaded on
June 11, 2026
Number of pages
58
Written in
2025/2026
Type
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Contains
Questions & answers
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