Oxford Cambridge and RSA GCSE (9–1) Chemistry A - J248/01 Paper 1 - Sample Question Paper (Foundation Tier)

Sep 5, 2026

Sample Question Paper for OCR GCSE (9–1) Chemistry A Gateway Science, covering J248/01 Paper 1 (Foundation Tier). The paper specifies total marks, time allowed, required equipment (data sheet, calculator, ruler), and answer instructions. It includes Section A multiple-choice questions on topics such as separation techniques, periodic trends and metals, chemical calculations, nanoparticles, isotopes, chromatography, particle models in liquids, fractional distillation, and energy or pH-related concepts. Section B begins with an exothermic/endothermic investigation using measured temperature changes.

LanguageEnglish

CategoryExam

FormatPDF

Pages48

Reading Time2 h 1 min

AccessFree to download

SECTION A

Multiple-choice questions 1-15

SECTION B

Questions 16+ (exothermic/endothermic investigation)

* 0 0 0 0 0 0 0 0 0 0 * Oxford Cambridge and RSA GCSE (9–1) Chemistry A (Gateway Science) J248/01 Paper 1 (Foundation Tier) Sample Question Paper F Date – Morning/Afternoon Version 2.1 Time allowed: 1 hour 45 minutes You must have: • the Data Sheet You may use: • a scientific or graphical calculator • a ruler * 0 0 0 0 0 0 * | First name | | | | | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | Last name | | | | | | | | | | | | | Centre number | | | | | | | Candidate number | | | | | INSTRUCTIONS • Use black ink. You may use an HB pencil for graphs and diagrams. • Complete the boxes above with your name, centre number and candidate number. • Answer all the questions. • Write your answer to each question in the space provided. • Additional paper may be used if required but you must clearly show your candidate number, centre number and question number(s) . • Do not write in the barcodes. 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 consists of 28 pages © OCR 2021 J248/01 [601/8663/X] D10026/2 .1 Turn over SECTION A Answer all the questions. You should spend a maximum of 30 minutes on this section. 1 Which technique is the best for separating pure water from a solution of sodium chloride in water? A Chromatography B Crystallisation C Distillation D Filtration Your answer [1] 2 Which statement shows that lead is a metal? A It is a dull grey colour. B It is in Group 4 of the periodic table. C It is in Period 6 of the periodic table. D It is malleable and can be easily shaped. Your answer [1] 3 When 12 g of carbon (C) burns in oxygen (O2 ), 44 g of carbon dioxide (CO2 ) is formed. What mass of C would burn to form 11 g of CO2? A B C D 3 g 4 g 11 g 12 g Your answer [1] 4 What is the relative formula mass of sodium carbonate, Na2CO3? A 83.0 B 90.0 C 106.0 D 130.0 Your answer [1] 5 The size of a nanoparticle is similar to the size of a molecule. What is the approximate size of a nanoparticle? A 0.01 nm B 50 nm C 1000 nm D 10,000 nm Your answer [1] 6 Two isotopes of neon are 2210 Ne and 2010 Ne The two isotopes of neon have different: A Charges B Numbers of electrons C Numbers of neutrons D Numbers of protons Your answer [1] 7 The bar chart shows the melting points of Group 1 elements. What are the melting points of rubidium and caesium? | | Melting point of rubidium (°C) | Melting point of caesium (°C) | | --- | --- | --- | | A | 39 | 29 | | B | 40 | 25 | | C | 29 | 41 | | D | 41 | 25 | Your answer [1] 8 A student separates the colours of black ink using paper chromatography. • He puts a spot of black ink onto a piece of filter paper. • He dips the filter paper into ethanol in a beaker. What phase describes ethanol in this experiment? A Gas phase B Mobile phase C Solid phase D Stationary phase Your answer [1] 9 Look at the chromatogram. What is the Rf value of the green spot? Use a ruler to help you. A B C D 0.17 0.42 0.83 1.00 Your answer [1] 10 What is the best description of the particles in a liquid? | | Distance between particles | Movement of particles | | --- | --- | --- | | A | Close together | in continuous random motion | | B | Close together | vibrating about a fixed point | | C | Far apart | in continuous random motion | | D | Far apart | vibrating about a fixed point | Your answer [1] 11 Look at the table of fractions from the fractional distillation of crude oil. | Fraction | Boiling range (°C) | | --- | --- | | LPG | less than 25 | | petrol | 85 – 105 | | diesel | 150 – 290 | | fuel oil | 290 – 380 | | bitumen | greater than 400 | A hydrocarbon has a boiling

FAQs

What equipment is required or allowed for this paper?

You must have the Data Sheet. A scientific or graphical calculator may be used, and a ruler may be used.

How much time is allowed for the paper?

The time allowed is 1 hour 45 minutes, with a maximum of 30 minutes recommended for Section A.

How are marks and question parts presented in the paper?

The total mark is 90. Marks for each question are shown in brackets [ ], and quality of extended response is assessed in questions marked with an asterisk (*) .

Sep 5, 2026

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