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2024 OXFORD CAMBRIDGE AND RSA GCSE Combined Science Chemistry A Gateway Science J250/03: Paper 3 (Foundation Tier) QUESTION PAPER AND MERGED MARKING SCHEME$7.89
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2024 OXFORD CAMBRIDGE AND RSA GCSE Combined Science Chemistry A Gateway Science J250/03: Paper 3 (Foundation Tier) QUESTION PAPER AND MERGED MARKING SCHEME
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Course
OCR
Institution
OCR
2024 OXFORD CAMBRIDGE AND RSA GCSE Combined Science Chemistry A Gateway Science J250/03: Paper 3 (Foundation Tier) QUESTION PAPER AND MERGED MARKING SCHEME
Friday 17 May 2024 – Morning
GCSE (9–1) Combined Science A
(Gateway Science)
J250/03 Chemistry (Foundation Tier)
Time allowed: 1 hour 10 minutes
You must have:
• a ruler (cm/mm)
• the Data Sheet for GCSE (9–1) Combined
F
Science A (Chemistry) (inside this document)
You can use:
• a scientific or graphical calculator
• 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 begiven
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 20 pages.
ADVICE
• Read each question carefully before you start your answer.
OCR is an exempt Charity
Turn over
, 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 When iron reacts with dilute hydrochloric acid, bubbles of hydrogen are produced.
Which state symbol describes these bubbles?
A aq
B g
C l
D s
Your answer [1]
2 Magnesium reacts with oxygen to make magnesium oxide.
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