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TOPIC 10

Chemistry of the environment

Chemistry · Multiple Choice (Core)

86 questionsShow all as
0620/111 mark
May/June 2026 · Question 17

6.3 Reversible reactions and equilibrium, 10.1 Water

6.3 Reversible reactions and equilibrium10.1 Water
0620/11 May/June 2026 question 17 question
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0620/111 mark
May/June 2026 · Question 31

10.1 Water, 12.4 Separation and purification

10.1 Water12.4 Separation and purification
0620/11 May/June 2026 question 31 question
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0620/111 mark
May/June 2026 · Question 32

10.2 Fertilisers

10.2 Fertilisers
0620/11 May/June 2026 question 32 question
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0620/111 mark
May/June 2026 · Question 33

10.3 Air quality and climate

10.3 Air quality and climate
0620/11 May/June 2026 question 33 question
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0620/121 mark
May/June 2026 · Question 24

10.2 Fertilisers, 7.1 The characteristic properties of acids and bases

10.2 Fertilisers7.1 The characteristic properties of acids and bases
0620/12 May/June 2026 question 24 question
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0620/121 mark
May/June 2026 · Question 28

10.1 Water

10.1 Water
0620/12 May/June 2026 question 28 question
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0620/121 mark
May/June 2026 · Question 29

10.3 Air quality and climate

10.3 Air quality and climate
0620/12 May/June 2026 question 29 question
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0620/121 mark
May/June 2026 · Question 30

10.3 Air quality and climate

10.3 Air quality and climate
0620/12 May/June 2026 question 30 question
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0620/131 mark
May/June 2026 · Question 18

10.1 Water, 6.3 Reversible reactions and equilibrium

10.1 Water6.3 Reversible reactions and equilibrium
0620/13 May/June 2026 question 18 question
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0620/131 mark
May/June 2026 · Question 31

10.2 Fertilisers

10.2 Fertilisers
0620/13 May/June 2026 question 31 question
1 partOpen full size ↗
0620/131 mark
May/June 2026 · Question 32

10.3 Air quality and climate

10.3 Air quality and climate
0620/13 May/June 2026 question 32 question
1 partOpen full size ↗
0620/121 mark
Feb/Mar 2026 · Question 27

10.1 Water

10.1 Water
0620/12 Feb/Mar 2026 question 27 question
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0620/121 mark
Feb/Mar 2026 · Question 28

10.2 Fertilisers

10.2 Fertilisers
0620/12 Feb/Mar 2026 question 28 question
1 partOpen full size ↗
0620/121 mark
Feb/Mar 2026 · Question 29

10.3 Air quality and climate

10.3 Air quality and climate
0620/12 Feb/Mar 2026 question 29 question
1 partOpen full size ↗
0620/121 mark
Feb/Mar 2026 · Question 30

10.3 Air quality and climate

10.3 Air quality and climate
0620/12 Feb/Mar 2026 question 30 question
1 partOpen full size ↗
0620/111 mark
Oct/Nov 2025 · Question 26

10.1 Water, 12.5 Identification of ions and gases

10.1 Water12.5 Identification of ions and gases
0620/11 Oct/Nov 2025 question 26 question
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0620/111 mark
Oct/Nov 2025 · Question 29

10.3 Air quality and climate

10.3 Air quality and climate
0620/11 Oct/Nov 2025 question 29 question
1 partOpen full size ↗
0620/121 mark
Oct/Nov 2025 · Question 17

6.3 Reversible reactions and equilibrium, 10.1 Water

6.3 Reversible reactions and equilibrium10.1 Water
0620/12 Oct/Nov 2025 question 17 question
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0620/121 mark
Oct/Nov 2025 · Question 31

10.3 Air quality and climate

10.3 Air quality and climate
0620/12 Oct/Nov 2025 question 31 question
1 partOpen full size ↗
0620/121 mark
Oct/Nov 2025 · Question 32

10.1 Water

10.1 Water
0620/12 Oct/Nov 2025 question 32 question
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0620/121 mark
Oct/Nov 2025 · Question 34

10.3 Air quality and climate

10.3 Air quality and climate
0620/12 Oct/Nov 2025 question 34 question
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0620/131 mark
Oct/Nov 2025 · Question 25

10.1 Water

10.1 Water
0620/13 Oct/Nov 2025 question 25 question
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0620/131 mark
Oct/Nov 2025 · Question 26

10.1 Water

10.1 Water
0620/13 Oct/Nov 2025 question 26 question
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0620/131 mark
Oct/Nov 2025 · Question 27

10.2 Fertilisers

10.2 Fertilisers
0620/13 Oct/Nov 2025 question 27 question
1 partOpen full size ↗
0620/131 mark
Oct/Nov 2025 · Question 28

10.3 Air quality and climate

10.3 Air quality and climate
0620/13 Oct/Nov 2025 question 28 question
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0620/111 mark
May/June 2025 · Question 12

4.2 Hydrogen–oxygen fuel cells, 3.3 The mole and the Avogadro constant, 10.3 Air quality and climate

4.2 Hydrogen–oxygen fuel cells3.3 The mole and the Avogadro constant10.3 Air quality and climate
0620/11 May/June 2025 question 12 question
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0620/111 mark
May/June 2025 · Question 30

10.2 Fertilisers

10.2 Fertilisers
0620/11 May/June 2025 question 30 question
1 partOpen full size ↗
0620/111 mark
May/June 2025 · Question 31

10.1 Water

10.1 Water
0620/11 May/June 2025 question 31 question
1 partOpen full size ↗
0620/121 mark
May/June 2025 · Question 30

10.3 Air quality and climate

10.3 Air quality and climate
0620/12 May/June 2025 question 30 question
1 partOpen full size ↗
0620/121 mark
May/June 2025 · Question 31

10.3 Air quality and climate

10.3 Air quality and climate
0620/12 May/June 2025 question 31 question
1 partOpen full size ↗
Chemistry of the environment: IGCSE Chemistry (0620) past paper questions | Past Paper Pigeon