#O C R
GCSE (9−1) Chemistry B (Twenty First Century Science)
J258/03 Breadth in Chemistry (Higher Tier)
May 2023
Time allowed: 1 hour 45 minutes
H
You must have:
a ruler (cm/mm)
the Data Sheet for GCSE (9–1) Chemistry B (inside this
document)
You can use:
an HB pencil
a scientific or graphical calculator
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 [ ].
• This document has 20 pages.
ADVICE
• Read each question carefully before you start your answer.
2023 Turn over
, 2
1 Argon forms 1% of the air and is unreactive.
Argon is used as a replacement for nitrogen when nitrogen is too reactive.
(a) Argon is unreactive because it is in Group 0 of the Periodic Table.
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