PAPER 1 · MULTIPLE CHOICE (CORE)

0620/11 Oct/Nov 2025

45 minutes · 40 marks · 40 questions

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Oct/Nov 2025 · Question 1

1.2 Diffusion

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Oct/Nov 2025 · Question 2

2.2 Atomic structure and the Periodic Table

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Oct/Nov 2025 · Question 3

2.2 Atomic structure and the Periodic Table, 2.4 Ions and ionic bonds

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Oct/Nov 2025 · Question 4

2.4 Ions and ionic bonds

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Oct/Nov 2025 · Question 5

2.4 Ions and ionic bonds, 2.5 Simple molecules and covalent bonds

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Oct/Nov 2025 · Question 6

2.5 Simple molecules and covalent bonds

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Oct/Nov 2025 · Question 7

2.6 Giant covalent structures

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Oct/Nov 2025 · Question 8

3.1 Formulae

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Oct/Nov 2025 · Question 9

3.3 The mole and the Avogadro constant

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Oct/Nov 2025 · Question 10

4.1 Electrolysis

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Oct/Nov 2025 · Question 11

4.2 Hydrogen–oxygen fuel cells

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Oct/Nov 2025 · Question 12

5.1 Exothermic and endothermic reactions, 11.3 Fuels

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Oct/Nov 2025 · Question 13

5.1 Exothermic and endothermic reactions

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Oct/Nov 2025 · Question 14

6.2 Rate of reaction

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Oct/Nov 2025 · Question 15

6.3 Reversible reactions and equilibrium

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Oct/Nov 2025 · Question 16

6.4 Redox

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Oct/Nov 2025 · Question 17

3.3 The mole and the Avogadro constant

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Oct/Nov 2025 · Question 18

7.3 Preparation of salts

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Oct/Nov 2025 · Question 19

7.2 Oxides

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Oct/Nov 2025 · Question 20

8.4 Transition elements

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Oct/Nov 2025 · Question 21

8.5 Noble gases, 2.2 Atomic structure and the Periodic Table

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Oct/Nov 2025 · Question 22

9.3 Alloys and their properties

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Oct/Nov 2025 · Question 23

9.4 Reactivity series

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Oct/Nov 2025 · Question 24

9.5 Corrosion of metals

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Oct/Nov 2025 · Question 25

9.6 Extraction of metals

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Oct/Nov 2025 · Question 26

10.1 Water, 12.5 Identification of ions and gases

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Oct/Nov 2025 · Question 27

11.6 Alcohols

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Oct/Nov 2025 · Question 28

11.4 Alkanes

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Oct/Nov 2025 · Question 29

10.3 Air quality and climate

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Oct/Nov 2025 · Question 30

11.1 Formulae, functional groups and terminology

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