OCR GCSE (9–1) Chemistry A (Gateway Science) J248/02 (Foundation Tier)
Combined Question Paper and Mark Scheme
Oxford Cambridge and RSA
GCSE (9–1) Chemistry A (Gateway Science)
J248/02 (Foundation Tier)
Time allowed: 1 hour 45 minutes
F
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
• an HB pencil
* J 2 4 8 0 2 *
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.
DC (PQ/CT) 353820/4
OCR is an
, 3
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 Turn over
, 2
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
, 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
Combined Question Paper and Mark Scheme
Oxford Cambridge and RSA
GCSE (9–1) Chemistry A (Gateway Science)
J248/02 (Foundation Tier)
Time allowed: 1 hour 45 minutes
F
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
• an HB pencil
* J 2 4 8 0 2 *
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.
DC (PQ/CT) 353820/4
OCR is an
, 3
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 Turn over
, 2
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
, 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
