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Oxford Cambridge and RSA Examinations Foundation GCSECombined Science Chemistry A Gateway ScienceJ250/04: Paper 4 (Foundation Tier) General Certificate of Secondary Education with marking scheme $6.29   Add to cart

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Oxford Cambridge and RSA Examinations Foundation GCSECombined Science Chemistry A Gateway ScienceJ250/04: Paper 4 (Foundation Tier) General Certificate of Secondary Education with marking scheme

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Oxford Cambridge and RSA Examinations Foundation GCSECombined Science Chemistry A Gateway ScienceJ250/04: Paper 4 (Foundation Tier) General Certificate of Secondary Education with marking scheme

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  • March 15, 2024
  • 44
  • 2023/2024
  • Exam (elaborations)
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Oxford Cambridge and RSA
Examinations Foundation
GCSECombined Science
Chemistry A Gateway
ScienceJ250/04: Paper 4
(Foundation Tier) General
Certificate of Secondary
Education with marking
scheme

, Oxford Cambridge and RSA

Tuesday 13 June 2023 – Morning
GCSE (9–1) Combined Science (Chemistry) A
(Gateway Science)
J250/04 Paper 4 (Foundation Tier)
Time allowed: 1 hour 10 minutes


F
* 9 1 3 2 4 1 8 8 0 8 *




You must have:
• a ruler (cm/mm)
• the Data Sheet for GCSE (9–1) Combined Science
(Chemistry) A (inside this document)
You can use:
• a scientific or graphical calculator
• an HB pencil
* J 2 5 0 0 4 *




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 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 24 pages.

ADVICE
• Read each question carefully before you start your answer.




© OCR 2023 [601/8687/2] OCR is an exempt Charity
DC (CE/CT) 301054/8 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 Which part of the Periodic Table contains the most reactive metals?




D
A C
B




Your answer [1]



2 Which process traps heat from the Sun in the Earth’s atmosphere?

A Combustion

B Displacement

C Greenhouse effect

D Photosynthesis


Your answer [1]




© OCR 2023

, 3
3 The list is part of the reactivity series of metals.

Calcium most reactive
Magnesium
Zinc
Lead least reactive

The diagram shows these four metals reacting with dilute hydrochloric acid.




A B C D

Which test tube shows the reaction of calcium?


Your answer [1]




© OCR 2023 Turn over

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