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2025/ 2026 GCSE May 2024 OCR Combined Science A Paper 9 Including Mark Scheme 100% Verified with Correct Questions and Answers with Solution

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Access the GCSE May 2024 OCR Combined Science A Paper 9 Including Mark Scheme with solution, featuring 100% verified questions and answers aligned with the official OCR Combined Science A specification. This resource allows learners to review full exam-style content, interpret marking criteria used by examiners, and apply knowledge across biology, chemistry, and physics topics. It supports structured practice, improves accuracy in answering questions, and reinforces understanding of key scientific principles. Updated 2025/ 2026 material enhances exam readiness, strengthens problem-solving skills, and helps students perform confidently in OCR GCSE Combined Science assessments.

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Institution
GCSE
Course
Combined Science A

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GCSE MAY 2024 OCR Combined
GCSEScience
MAY 2024
A PAPER
OCR 9Combined
INCLUDING
GCSEScience
MAY
MARK 2024
A SCHEME.pdf
PAPER
OCR 9Combined
INCLUDING
Science
MARK A SCHEME.pdf
PAPER 9 INCLUDING MARK SCHEME.pdf




Friday 17 May 2024 – Morning
GCSE (9–1) Combined Science A
(Gateway Science)
J250/09 Chemistry (Higher Tier)
Time allowed: 1 hour 10 minutes




GCSE MAY 2024 OCR Combined
GCSEScience
MAY 2024
A PAPER
OCR 9Combined
INCLUDING
GCSEScience
MAY
MARK 2024
A SCHEME.pdf
PAPER
OCR 9Combined
INCLUDING
Science
MARK A SCHEME.pdf
PAPER 9 INCLUDING MARK SCHEME.pdf

,GCSE MAY 2024 OCR Combined
GCSEScience
MAY 2024
A PAPER
OCR 9Combined
INCLUDING
GCSEScience
MAY
MARK 2024
A SCHEME.pdf
PAPER
OCR 9Combined
INCLUDING
Science
MARK A SCHEME.pdf
PAPER 9 INCLUDING MARK SCHEME.pdf



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 The diagram represents the particle model for a change in the arrangement of some particles.




Which row describes this change?

Type of change Explanation

A chemical The particles break up and then join together in a different way.

B chemical The particles stay the same but are arranged in a different way.

C physical The particles break up and then join together in a different way.

D physical The particles stay the same but are arranged in a different way.



Your answer [1]


2 Which element in the table is a non-metal?

Appearance at
Melting point (°C) Electrical conductivity
room temperature

A silver liquid –39 high

B orange-red solid 1083 high

C yellow solid 113 low

D silvery-white 3422 high



Your answer [1]




© OCR 2024




GCSE MAY 2024 OCR Combined
GCSEScience
MAY 2024
A PAPER
OCR 9Combined
INCLUDING
GCSEScience
MAY
MARK 2024
A SCHEME.pdf
PAPER
OCR 9Combined
INCLUDING
Science
MARK A SCHEME.pdf
PAPER 9 INCLUDING MARK SCHEME.pdf

,GCSE MAY 2024 OCR Combined
GCSEScience
MAY 2024
A PAPER
OCR 9Combined
INCLUDING
GCSEScience
MAY
MARK 2024
A SCHEME.pdf
PAPER
OCR 9Combined
INCLUDING
Science
MARK A SCHEME.pdf
PAPER 9 INCLUDING MARK SCHEME.pdf



3
3 The graph shows how the temperature of two samples of a substance, Y and Z, changes as they
melt from solids to liquids.




Z

Temperature (°C)
Y




Time (minutes)

Which row describes Y and Z?

Y Z

A impure impure

B impure pure

C pure impure

D pure pure



Your answer [1]


4 This is the equation for the reaction between copper carbonate and dilute hydrochloric acid:

CuCO3(s) + 2HCl(aq) CuCl 2(…) + CO2(g) + H2O(l)

What is the state symbol for CuCl 2?

A aq

B g

C l

D s


Your answer [1]




© OCR 2024 Turn over



GCSE MAY 2024 OCR Combined
GCSEScience
MAY 2024
A PAPER
OCR 9Combined
INCLUDING
GCSEScience
MAY
MARK 2024
A SCHEME.pdf
PAPER
OCR 9Combined
INCLUDING
Science
MARK A SCHEME.pdf
PAPER 9 INCLUDING MARK SCHEME.pdf

, GCSE MAY 2024 OCR Combined
GCSEScience
MAY 2024
A PAPER
OCR 9Combined
INCLUDING
GCSEScience
MAY
MARK 2024
A SCHEME.pdf
PAPER
OCR 9Combined
INCLUDING
Science
MARK A SCHEME.pdf
PAPER 9 INCLUDING MARK SCHEME.pdf



4
5 In which molecule is X an atom of carbon?

A X F B X
F F


C F D F

X F X F
F F
F

Your answer [1]


6 Boron, B, is in Group 3 of the Periodic Table and chlorine, Cl, is in Group 7 of the Periodic Table.

What is the formula of the compound formed when boron reacts with chlorine?

A BCl

B BCl3

C B3Cl

D B3Cl7


Your answer [1]




© OCR 2024




GCSE MAY 2024 OCR Combined
GCSEScience
MAY 2024
A PAPER
OCR 9Combined
INCLUDING
GCSEScience
MAY
MARK 2024
A SCHEME.pdf
PAPER
OCR 9Combined
INCLUDING
Science
MARK A SCHEME.pdf
PAPER 9 INCLUDING MARK SCHEME.pdf
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Course
Combined Science A
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Uploaded on
June 16, 2026
Number of pages
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Written in
2025/2026
Type
Exam (elaborations)
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  • ocr combined science a paper 9 may 2024
  • gcse ocr combined science revision
  • ocr gcse combined science exam questions and answe
  • ocr combined science a mark scheme
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