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May/June 2025 · Question 1
1.1 Solids, liquids and gases
1.1 Solids, liquids and gases

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May/June 2025 · Question 2
1.1 Solids, liquids and gases
1.1 Solids, liquids and gases

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May/June 2025 · Question 3
2.2 Atomic structure and the Periodic Table
2.2 Atomic structure and the Periodic Table

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May/June 2025 · Question 4
2.2 Atomic structure and the Periodic Table, 2.4 Ions and ionic bonds
2.2 Atomic structure and the Periodic Table2.4 Ions and ionic bonds

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May/June 2025 · Question 5
2.3 Isotopes, 3.2 Relative masses of atoms and molecules
2.3 Isotopes3.2 Relative masses of atoms and molecules

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May/June 2025 · Question 6
2.6 Giant covalent structures
2.6 Giant covalent structures

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May/June 2025 · Question 7
3.3 The mole and the Avogadro constant
3.3 The mole and the Avogadro constant

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May/June 2025 · Question 8
9.4 Reactivity series
9.4 Reactivity series

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May/June 2025 · Question 9
3.3 The mole and the Avogadro constant
3.3 The mole and the Avogadro constant

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May/June 2025 · Question 10
4.1 Electrolysis
4.1 Electrolysis

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May/June 2025 · Question 11
4.1 Electrolysis
4.1 Electrolysis

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May/June 2025 · Question 12
4.2 Hydrogen–oxygen fuel cells
4.2 Hydrogen–oxygen fuel cells

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May/June 2025 · Question 13
5.1 Exothermic and endothermic reactions
5.1 Exothermic and endothermic reactions

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May/June 2025 · Question 14
5.1 Exothermic and endothermic reactions
5.1 Exothermic and endothermic reactions

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May/June 2025 · Question 15
6.2 Rate of reaction
6.2 Rate of reaction

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May/June 2025 · Question 16
6.3 Reversible reactions and equilibrium
6.3 Reversible reactions and equilibrium

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May/June 2025 · Question 17
6.4 Redox
6.4 Redox

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May/June 2025 · Question 18
7.1 The characteristic properties of acids and bases, 10.2 Fertilisers
7.1 The characteristic properties of acids and bases10.2 Fertilisers

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May/June 2025 · Question 19
7.1 The characteristic properties of acids and bases
7.1 The characteristic properties of acids and bases

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May/June 2025 · Question 20
7.2 Oxides
7.2 Oxides

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May/June 2025 · Question 21
8.5 Noble gases
8.5 Noble gases

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May/June 2025 · Question 22
8.2 Group I properties
8.2 Group I properties

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May/June 2025 · Question 23
8.3 Group VII properties
8.3 Group VII properties

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May/June 2025 · Question 24
8.3 Group VII properties
8.3 Group VII properties

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May/June 2025 · Question 25
9.3 Alloys and their properties
9.3 Alloys and their properties

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May/June 2025 · Question 26
9.4 Reactivity series
9.4 Reactivity series

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May/June 2025 · Question 27
9.5 Corrosion of metals, 9.4 Reactivity series
9.5 Corrosion of metals9.4 Reactivity series

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May/June 2025 · Question 28
9.6 Extraction of metals
9.6 Extraction of metals

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May/June 2025 · Question 29
10.1 Water
10.1 Water

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May/June 2025 · Question 30
10.3 Air quality and climate
10.3 Air quality and climate
