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May/June 2025 · Question 1
3.6 Intermolecular forces, electronegativity and bond properties, 4.2 Bonding and structure
3.6 Intermolecular forces, electronegativity and bond properties4.2 Bonding and structure

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May/June 2025 · Question 2
1.1 Particles in the atom and atomic radius
1.1 Particles in the atom and atomic radius

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May/June 2025 · Question 3
8.2 Effect of temperature on reaction rates
8.2 Effect of temperature on reaction rates

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May/June 2025 · Question 4
7.1 Chemical equilibria
7.1 Chemical equilibria

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May/June 2025 · Question 5
6.1 Redox processes
6.1 Redox processes

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May/June 2025 · Question 6
5.2 Hess's law
5.2 Hess's law

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May/June 2025 · Question 7
3.5 Shapes of molecules
3.5 Shapes of molecules

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May/June 2025 · Question 8
7.1 Chemical equilibria, 8.3 Homogeneous and heterogeneous catalysts
7.1 Chemical equilibria8.3 Homogeneous and heterogeneous catalysts

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May/June 2025 · Question 9
8.1 Rate of reaction
8.1 Rate of reaction

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May/June 2025 · Question 10
5.1 Enthalpy change, 3.6 Intermolecular forces, electronegativity and bond properties
5.1 Enthalpy change3.6 Intermolecular forces, electronegativity and bond properties

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May/June 2025 · Question 11
2.3 Formulas
2.3 Formulas

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May/June 2025 · Question 12
4.1 The gaseous state
4.1 The gaseous state

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May/June 2025 · Question 13
5.1 Enthalpy change
5.1 Enthalpy change

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May/June 2025 · Question 14
1.1 Particles in the atom and atomic radius
1.1 Particles in the atom and atomic radius

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May/June 2025 · Question 15
2.3 Formulas, 2.1 Relative masses of atoms and molecules
2.3 Formulas2.1 Relative masses of atoms and molecules

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May/June 2025 · Question 16
9.2 Periodicity of chemical properties in Period 3
9.2 Periodicity of chemical properties in Period 3

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May/June 2025 · Question 17
11.2 Chemical properties of the halogens and hydrogen halides, 3.6 Intermolecular forces, electronegativity and bond properties
11.2 Chemical properties of the halogens and hydrogen halides3.6 Intermolecular forces, electronegativity and bond properties

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May/June 2025 · Question 18
9.2 Periodicity of chemical properties in Period 3, 3.1 Electronegativity and bonding
9.2 Periodicity of chemical properties in Period 33.1 Electronegativity and bonding

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May/June 2025 · Question 19
10 Group 2
10 Group 2

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May/June 2025 · Question 20
6.1 Redox processes
6.1 Redox processes

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May/June 2025 · Question 21
7.2 Bronsted-Lowry theory of acids and bases
7.2 Bronsted-Lowry theory of acids and bases

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May/June 2025 · Question 22
9.1 Periodicity of physical properties in Period 3
9.1 Periodicity of physical properties in Period 3

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May/June 2025 · Question 23
10 Group 2, 2.4 Reacting masses and volumes
10 Group 22.4 Reacting masses and volumes

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May/June 2025 · Question 24
12 Nitrogen and sulfur, 8.3 Homogeneous and heterogeneous catalysts
12 Nitrogen and sulfur8.3 Homogeneous and heterogeneous catalysts

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May/June 2025 · Question 25
31.1 Halogen compounds
31.1 Halogen compounds

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May/June 2025 · Question 26
20.1 Addition polymerisation
20.1 Addition polymerisation

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May/June 2025 · Question 27
17.1 Aldehydes and ketones, 18.1 Carboxylic acids
17.1 Aldehydes and ketones18.1 Carboxylic acids

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May/June 2025 · Question 28
15.1 Halogenoalkanes, 19.2 Nitriles and hydroxynitriles
15.1 Halogenoalkanes19.2 Nitriles and hydroxynitriles

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May/June 2025 · Question 29
18.2 Esters
18.2 Esters

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May/June 2025 · Question 30
16.1 Alcohols
16.1 Alcohols
