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TOPIC 7

Acids, bases and salts

Chemistry · Theory (Core)

42 questionsShow all as
0620/3211 marks
May/June 2026 · Question 3

6.2 Rate of reaction, 7.1 The characteristic properties of acids and bases

6.2 Rate of reaction7.1 The characteristic properties of acids and bases
0620/32 May/June 2026 question 3 question
0620/329 marks
May/June 2026 · Question 4

11.1 Formulae, functional groups and terminology, 11.6 Alcohols, 11.7 Carboxylic acids, 7.1 The characteristic properties of acids and bases

11.1 Formulae, functional groups and terminology11.6 Alcohols11.7 Carboxylic acids7.1 The characteristic properties of acids and bases
0620/32 May/June 2026 question 4 question
0620/3313 marks
May/June 2026 · Question 3

6.2 Rate of reaction, 7.1 The characteristic properties of acids and bases

6.2 Rate of reaction7.1 The characteristic properties of acids and bases
0620/33 May/June 2026 question 3 question
0620/3313 marks
May/June 2026 · Question 6

2.2 Atomic structure and the Periodic Table, 8.4 Transition elements, 7.2 Oxides, 4.1 Electrolysis, 3.2 Relative masses of atoms and molecules

2.2 Atomic structure and the Periodic Table8.4 Transition elements7.2 Oxides4.1 Electrolysis3.2 Relative masses of atoms and molecules
0620/33 May/June 2026 question 6 question
0620/3213 marks
Feb/Mar 2026 · Question 4

6.2 Rate of reaction, 7.1 The characteristic properties of acids and bases, 7.2 Oxides

6.2 Rate of reaction7.1 The characteristic properties of acids and bases7.2 Oxides
0620/32 Feb/Mar 2026 question 4 question
0620/3111 marks
Oct/Nov 2025 · Question 7

4.1 Electrolysis, 6.1 Physical and chemical changes, 7.1 The characteristic properties of acids and bases

4.1 Electrolysis6.1 Physical and chemical changes7.1 The characteristic properties of acids and bases
0620/31 Oct/Nov 2025 question 7 question
0620/324 marks
Oct/Nov 2025 · Question 1

8.1 Arrangement of elements, 2.6 Giant covalent structures, 7.1 The characteristic properties of acids and bases, 9.4 Reactivity series

8.1 Arrangement of elements2.6 Giant covalent structures7.1 The characteristic properties of acids and bases9.4 Reactivity series
0620/32 Oct/Nov 2025 question 1 question
0620/3217 marks
Oct/Nov 2025 · Question 5

8.1 Arrangement of elements, 2.2 Atomic structure and the Periodic Table, 1.1 Solids, liquids and gases, 8.3 Group VII properties, 8.2 Group I properties, 7.1 The characteristic properties of acids and bases, 2.4 Ions and ionic bonds

8.1 Arrangement of elements2.2 Atomic structure and the Periodic Table1.1 Solids, liquids and gases8.3 Group VII properties8.2 Group I properties7.1 The characteristic properties of acids and bases2.4 Ions and ionic bonds
0620/32 Oct/Nov 2025 question 5 question
0620/3318 marks
Oct/Nov 2025 · Question 5

2.2 Atomic structure and the Periodic Table, 1.1 Solids, liquids and gases, 8.3 Group VII properties, 8.2 Group I properties, 7.1 The characteristic properties of acids and bases, 12.5 Identification of ions and gases, 2.4 Ions and ionic bonds

2.2 Atomic structure and the Periodic Table1.1 Solids, liquids and gases8.3 Group VII properties8.2 Group I properties7.1 The characteristic properties of acids and bases12.5 Identification of ions and gases2.4 Ions and ionic bonds
0620/33 Oct/Nov 2025 question 5 question
0620/3114 marks
May/June 2025 · Question 6

7.3 Preparation of salts, 4.1 Electrolysis, 2.5 Simple molecules and covalent bonds

7.3 Preparation of salts4.1 Electrolysis2.5 Simple molecules and covalent bonds
0620/31 May/June 2025 question 6 question
0620/3211 marks
May/June 2025 · Question 3

2.2 Atomic structure and the Periodic Table, 2.3 Isotopes, 3.2 Relative masses of atoms and molecules, 7.2 Oxides, 10.2 Fertilisers

2.2 Atomic structure and the Periodic Table2.3 Isotopes3.2 Relative masses of atoms and molecules7.2 Oxides10.2 Fertilisers
0620/32 May/June 2025 question 3 question
0620/3212 marks
May/June 2025 · Question 5

7.3 Preparation of salts, 4.1 Electrolysis, 2.4 Ions and ionic bonds

7.3 Preparation of salts4.1 Electrolysis2.4 Ions and ionic bonds
0620/32 May/June 2025 question 5 question
0620/3313 marks
May/June 2025 · Question 5

7.3 Preparation of salts, 4.1 Electrolysis, 2.5 Simple molecules and covalent bonds

7.3 Preparation of salts4.1 Electrolysis2.5 Simple molecules and covalent bonds
0620/33 May/June 2025 question 5 question
0620/328 marks
Feb/Mar 2025 · Question 1

2.5 Simple molecules and covalent bonds, 4.1 Electrolysis, 4.2 Hydrogen–oxygen fuel cells, 7.2 Oxides, 11.3 Fuels, 12.5 Identification of ions and gases

2.5 Simple molecules and covalent bonds4.1 Electrolysis4.2 Hydrogen–oxygen fuel cells7.2 Oxides11.3 Fuels12.5 Identification of ions and gases
0620/32 Feb/Mar 2025 question 1 question
0620/3212 marks
Feb/Mar 2025 · Question 3

6.2 Rate of reaction, 7.1 The characteristic properties of acids and bases, 12.5 Identification of ions and gases

6.2 Rate of reaction7.1 The characteristic properties of acids and bases12.5 Identification of ions and gases
0620/32 Feb/Mar 2025 question 3 question
0620/328 marks
Feb/Mar 2025 · Question 6

7.1 The characteristic properties of acids and bases, 12.5 Identification of ions and gases

7.1 The characteristic properties of acids and bases12.5 Identification of ions and gases
0620/32 Feb/Mar 2025 question 6 question
0620/3210 marks
Feb/Mar 2025 · Question 8

4.1 Electrolysis, 7.1 The characteristic properties of acids and bases, 3.2 Relative masses of atoms and molecules, 11.6 Alcohols

4.1 Electrolysis7.1 The characteristic properties of acids and bases3.2 Relative masses of atoms and molecules11.6 Alcohols
0620/32 Feb/Mar 2025 question 8 question
0620/3110 marks
Oct/Nov 2024 · Question 7

7.3 Preparation of salts, 7.1 The characteristic properties of acids and bases, 5.1 Exothermic and endothermic reactions

7.3 Preparation of salts7.1 The characteristic properties of acids and bases5.1 Exothermic and endothermic reactions
0620/31 Oct/Nov 2024 question 7 question
0620/3210 marks
Oct/Nov 2024 · Question 7

7.3 Preparation of salts, 7.1 The characteristic properties of acids and bases, 5.1 Exothermic and endothermic reactions

7.3 Preparation of salts7.1 The characteristic properties of acids and bases5.1 Exothermic and endothermic reactions
0620/32 Oct/Nov 2024 question 7 question
0620/3310 marks
Oct/Nov 2024 · Question 7

7.3 Preparation of salts, 5.1 Exothermic and endothermic reactions

7.3 Preparation of salts5.1 Exothermic and endothermic reactions
0620/33 Oct/Nov 2024 question 7 question
0620/3111 marks
May/June 2024 · Question 3

9.6 Extraction of metals, 4.1 Electrolysis, 9.2 Uses of metals, 7.1 The characteristic properties of acids and bases

9.6 Extraction of metals4.1 Electrolysis9.2 Uses of metals7.1 The characteristic properties of acids and bases
0620/31 May/June 2024 question 3 question
0620/3211 marks
May/June 2024 · Question 3

4.1 Electrolysis, 9.3 Alloys and their properties, 7.1 The characteristic properties of acids and bases

4.1 Electrolysis9.3 Alloys and their properties7.1 The characteristic properties of acids and bases
0620/32 May/June 2024 question 3 question
0620/3311 marks
May/June 2024 · Question 3

4.1 Electrolysis, 7.1 The characteristic properties of acids and bases, 12.5 Identification of ions and gases

4.1 Electrolysis7.1 The characteristic properties of acids and bases12.5 Identification of ions and gases
0620/33 May/June 2024 question 3 question
0620/326 marks
Feb/Mar 2024 · Question 1

9.3 Alloys and their properties, 9.6 Extraction of metals, 7.1 The characteristic properties of acids and bases

9.3 Alloys and their properties9.6 Extraction of metals7.1 The characteristic properties of acids and bases
0620/32 Feb/Mar 2024 question 1 question
0620/3214 marks
Feb/Mar 2024 · Question 6

2.1 Elements, compounds and mixtures, 2.2 Atomic structure and the Periodic Table, 1.1 Solids, liquids and gases, 1.2 Diffusion, 3.2 Relative masses of atoms and molecules, 10.3 Air quality and climate, 7.1 The characteristic properties of acids and bases, 6.3 Reversible reactions and equilibrium

2.1 Elements, compounds and mixtures2.2 Atomic structure and the Periodic Table1.1 Solids, liquids and gases1.2 Diffusion3.2 Relative masses of atoms and molecules10.3 Air quality and climate7.1 The characteristic properties of acids and bases6.3 Reversible reactions and equilibrium
0620/32 Feb/Mar 2024 question 6 question
0620/327 marks
Feb/Mar 2024 · Question 7

2.2 Atomic structure and the Periodic Table, 6.4 Redox, 9.3 Alloys and their properties, 7.1 The characteristic properties of acids and bases

2.2 Atomic structure and the Periodic Table6.4 Redox9.3 Alloys and their properties7.1 The characteristic properties of acids and bases
0620/32 Feb/Mar 2024 question 7 question
0620/316 marks
Oct/Nov 2023 · Question 1

7.1 The characteristic properties of acids and bases, 10.2 Fertilisers, 11.4 Alkanes, 8.4 Transition elements

7.1 The characteristic properties of acids and bases10.2 Fertilisers11.4 Alkanes8.4 Transition elements
0620/31 Oct/Nov 2023 question 1 question
0620/3112 marks
Oct/Nov 2023 · Question 3

10.3 Air quality and climate, 7.1 The characteristic properties of acids and bases, 12.5 Identification of ions and gases

10.3 Air quality and climate7.1 The characteristic properties of acids and bases12.5 Identification of ions and gases
0620/31 Oct/Nov 2023 question 3 question
0620/319 marks
Oct/Nov 2023 · Question 6

6.2 Rate of reaction, 7.1 The characteristic properties of acids and bases

6.2 Rate of reaction7.1 The characteristic properties of acids and bases
0620/31 Oct/Nov 2023 question 6 question
0620/329 marks
Oct/Nov 2023 · Question 6

6.2 Rate of reaction, 7.1 The characteristic properties of acids and bases

6.2 Rate of reaction7.1 The characteristic properties of acids and bases
0620/32 Oct/Nov 2023 question 6 question
Acids, bases and salts: IGCSE Chemistry (0620) past paper questions | Past Paper Pigeon