0620/426 marks
10.3 Air quality and climate, 6.3 Reversible reactions and equilibrium, 2.5 Simple molecules and covalent bonds, 2.2 Atomic structure and the Periodic Table, 11.4 Alkanes, 3.3 The mole and the Avogadro constant
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PAPER 4 · THEORY (EXTENDED)
0620/42 Feb/Mar 2025
1 hour 15 minutes · 80 marks · 6 questions
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0620/4216 marks
2.4 Ions and ionic bonds, 4.1 Electrolysis
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0620/4213 marks
8.3 Group VII properties, 6.4 Redox
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0620/4214 marks
6.3 Reversible reactions and equilibrium, 5.1 Exothermic and endothermic reactions, 2.5 Simple molecules and covalent bonds
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0620/4217 marks
2.2 Atomic structure and the Periodic Table, 8.4 Transition elements, 6.4 Redox, 3.3 The mole and the Avogadro constant, 12.5 Identification of ions and gases, 6.2 Rate of reaction
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0620/4214 marks
11.5 Alkenes, 11.1 Formulae, functional groups and terminology, 11.7 Carboxylic acids
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