OCR SUMMER 2026
PREDICTED PAPER
GCSE (9–1) Chemistry A (Gateway Science)
J248/04 (Higher 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:
a scientific or graphical calculator
H
• an HB pencil
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 23 pages.
ADVICE
• Read each question carefully before you start your answer.
Turn over
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, 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. Natural gas takes millions of years to form. Which word describes natural gas?
A Biodegradable
B Finite
C Renewable
D Synthetic
Your answer [1]
2. Which statement about Group 7 reactivity is correct?
A Fluorine is the least reactive halogen
B Reactivity increases going down the group
C Reactivity decreases going down the group
D All halogens have the same reactivity
Your answer [1]
3. In the reaction: Fe₂O₃ + 3CO → 2Fe + 3CO₂, what happens to the carbon monoxide?
A It is reduced
B It is neutralized
C It is oxidized
D It is thermally decomposed
Your answer [1]
for more: tyrionpapers.com
, 3
4. A student collects 60 cm³ of gas in 30 seconds. What is the average rate of reaction?
A 0.5 cm³/s
B 2 cm³/s
C 30 cm³/s
D 1800 cm³/s
Your answer [1]
5. Which row about methane is correct?
Soluble in water? State at room temp
A ✓ liquid
B ✗ gas
C ✓ gas
D ✗ liquid
Your answer [1]
6. What is the half equation at the cathode in a hydrogen/oxygen fuel cell?
A 2H₂ → 4H⁺ + 4e⁻
B 4H⁺ + 4e⁻ + O₂ → 2H₂O
C 2H₂ + O₂ → 2H₂O
D O₂ → 2O²⁻ + 4e⁻
Your answer [1]
for more: tyrionpapers.com
PREDICTED PAPER
GCSE (9–1) Chemistry A (Gateway Science)
J248/04 (Higher 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:
a scientific or graphical calculator
H
• an HB pencil
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 23 pages.
ADVICE
• Read each question carefully before you start your answer.
Turn over
for more: tyrionpapers.com
, 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. Natural gas takes millions of years to form. Which word describes natural gas?
A Biodegradable
B Finite
C Renewable
D Synthetic
Your answer [1]
2. Which statement about Group 7 reactivity is correct?
A Fluorine is the least reactive halogen
B Reactivity increases going down the group
C Reactivity decreases going down the group
D All halogens have the same reactivity
Your answer [1]
3. In the reaction: Fe₂O₃ + 3CO → 2Fe + 3CO₂, what happens to the carbon monoxide?
A It is reduced
B It is neutralized
C It is oxidized
D It is thermally decomposed
Your answer [1]
for more: tyrionpapers.com
, 3
4. A student collects 60 cm³ of gas in 30 seconds. What is the average rate of reaction?
A 0.5 cm³/s
B 2 cm³/s
C 30 cm³/s
D 1800 cm³/s
Your answer [1]
5. Which row about methane is correct?
Soluble in water? State at room temp
A ✓ liquid
B ✗ gas
C ✓ gas
D ✗ liquid
Your answer [1]
6. What is the half equation at the cathode in a hydrogen/oxygen fuel cell?
A 2H₂ → 4H⁺ + 4e⁻
B 4H⁺ + 4e⁻ + O₂ → 2H₂O
C 2H₂ + O₂ → 2H₂O
D O₂ → 2O²⁻ + 4e⁻
Your answer [1]
for more: tyrionpapers.com
