Cambridge IGCSE Question Simulator

O Level Chemistry (5070)

Chemical reactions (rates, equilibrium, redox) Banker

81 questions · about 9% of the marks we indexed · examined in 9 of 9 sessions.

Questions by year

2026

  • 2026 May/June · Paper 11 · Q151 markRate of reaction
  • 2026 May/June · Paper 11 · Q161 markReversible reactions & equilibrium
  • 2026 May/June · Paper 11 · Q171 markIndustrial processes (Haber, Contact) & sulfur compounds
  • 2026 May/June · Paper 21 · Q1 (d)1 markRedox, oxidation number, oxidising & reducing agents
  • 2026 May/June · Paper 21 · Q3 (d, e)4 marksRate of reaction
  • 2026 May/June · Paper 21 · Q4 (d(i), d(ii))3 marksRedox, oxidation number, oxidising & reducing agents
  • 2026 May/June · Paper 31 · Q1 (a(ii), c(ii))4 marksRate of reaction
  • 2026 May/June · Paper 41 · Q2 (c, d, e)5 marksRate of reaction
  • 2026 May/June · Paper 41 · Q3 (f(ii))1 markRedox, oxidation number, oxidising & reducing agents

2025

  • 2025 Oct/Nov · Paper 11 · Q151 markRate of reaction
  • 2025 Oct/Nov · Paper 11 · Q161 markReversible reactions & equilibrium
  • 2025 Oct/Nov · Paper 21 · Q4 (c(i))1 markRedox, oxidation number, oxidising & reducing agents
  • 2025 Oct/Nov · Paper 21 · Q7 (b(i), b(ii))4 marksReversible reactions & equilibrium
  • 2025 Oct/Nov · Paper 21 · Q9 (a)1 markReversible reactions & equilibrium
  • 2025 May/June · Paper 11 · Q171 markRate of reaction
  • 2025 May/June · Paper 11 · Q181 markReversible reactions & equilibrium
  • 2025 May/June · Paper 11 · Q191 markIndustrial processes (Haber, Contact) & sulfur compounds
  • 2025 May/June · Paper 21 · Q1 (d)1 markRedox, oxidation number, oxidising & reducing agents
  • 2025 May/June · Paper 21 · Q5 (c(ii), c(iii), c(iv))5 marksRate of reaction
  • 2025 May/June · Paper 21 · Q6 (c(i), c(ii))3 marksRedox, oxidation number, oxidising & reducing agents

2024

  • 2024 Oct/Nov · Paper 11 · Q141 markRate of reaction
  • 2024 Oct/Nov · Paper 11 · Q151 markRate of reaction
  • 2024 Oct/Nov · Paper 11 · Q161 markReversible reactions & equilibrium
  • 2024 Oct/Nov · Paper 11 · Q171 markIndustrial processes (Haber, Contact) & sulfur compounds
  • 2024 Oct/Nov · Paper 11 · Q181 markRedox, oxidation number, oxidising & reducing agents
  • 2024 Oct/Nov · Paper 11 · Q221 markReversible reactions & equilibrium
  • 2024 Oct/Nov · Paper 21 · Q2 (a(ii), e(i), e(ii))5 marksRedox, oxidation number, oxidising & reducing agents · Reversible reactions & equilibrium
  • 2024 Oct/Nov · Paper 21 · Q5 (a, b(i), b(ii), d(ii))6 marksRate of reaction · Redox, oxidation number, oxidising & reducing agents
  • 2024 May/June · Paper 11 · Q161 markPhysical & chemical change
  • 2024 May/June · Paper 11 · Q171 markRate of reaction
  • 2024 May/June · Paper 11 · Q181 markRate of reaction
  • 2024 May/June · Paper 11 · Q191 markReversible reactions & equilibrium
  • 2024 May/June · Paper 11 · Q201 markIndustrial processes (Haber, Contact) & sulfur compounds
  • 2024 May/June · Paper 11 · Q211 markRedox, oxidation number, oxidising & reducing agents
  • 2024 May/June · Paper 11 · Q221 markRedox, oxidation number, oxidising & reducing agents
  • 2024 May/June · Paper 21 · Q1 (a, c)2 marksIndustrial processes (Haber, Contact) & sulfur compounds · Reversible reactions & equilibrium
  • 2024 May/June · Paper 21 · Q3 (b, c)4 marksRate of reaction
  • 2024 May/June · Paper 21 · Q4 (d, e)4 marksRedox, oxidation number, oxidising & reducing agents
  • 2024 May/June · Paper 21 · Q5 (a, b)4 marksReversible reactions & equilibrium

2023

  • 2023 Oct/Nov · Paper 11 · Q171 markRate of reaction
  • 2023 Oct/Nov · Paper 11 · Q181 markReversible reactions & equilibrium
  • 2023 Oct/Nov · Paper 11 · Q191 markRedox, oxidation number, oxidising & reducing agents
  • 2023 Oct/Nov · Paper 21 · Q2 (f(i), f(ii))2 marksIndustrial processes (Haber, Contact) & sulfur compounds · Rate of reaction
  • 2023 Oct/Nov · Paper 21 · Q3 (b(i), b(ii), c)5 marksRate of reaction
  • 2023 Oct/Nov · Paper 21 · Q4 (d(i), d(ii))2 marksRedox, oxidation number, oxidising & reducing agents
  • 2023 Oct/Nov · Paper 21 · Q6 (a(i), a(ii))2 marksIndustrial processes (Haber, Contact) & sulfur compounds
  • 2023 Oct/Nov · Paper 21 · Q7 (e(iii))1 markIndustrial processes (Haber, Contact) & sulfur compounds
  • 2023 Oct/Nov · Paper 21 · Q8 (a(i), a(ii))3 marksReversible reactions & equilibrium
  • 2023 Oct/Nov · Paper 41 · Q1 (c)2 marksRate of reaction
  • 2023 May/June · Paper 11 · Q131 markRate of reaction
  • 2023 May/June · Paper 11 · Q141 markRate of reaction
  • 2023 May/June · Paper 11 · Q151 markIndustrial processes (Haber, Contact) & sulfur compounds
  • 2023 May/June · Paper 11 · Q161 markReversible reactions & equilibrium
  • 2023 May/June · Paper 11 · Q171 markRedox, oxidation number, oxidising & reducing agents
  • 2023 May/June · Paper 11 · Q181 markRedox, oxidation number, oxidising & reducing agents
  • 2023 May/June · Paper 21 · Q1 (d)1 markRedox, oxidation number, oxidising & reducing agents
  • 2023 May/June · Paper 21 · Q2 (b(i), b(ii))2 marksRedox, oxidation number, oxidising & reducing agents
  • 2023 May/June · Paper 21 · Q5 (a(i), a(ii), a(iii), b, c)10 marksRate of reaction · Reversible reactions & equilibrium

2022

  • 2022 Oct/Nov · Paper 11 · Q211 markRate of reaction
  • 2022 Oct/Nov · Paper 11 · Q221 markRate of reaction
  • 2022 Oct/Nov · Paper 11 · Q231 markRedox, oxidation number, oxidising & reducing agents
  • 2022 Oct/Nov · Paper 11 · Q241 markRedox, oxidation number, oxidising & reducing agents
  • 2022 Oct/Nov · Paper 11 · Q251 markRedox, oxidation number, oxidising & reducing agents
  • 2022 Oct/Nov · Paper 11 · Q261 markReversible reactions & equilibrium
  • 2022 Oct/Nov · Paper 11 · Q301 markIndustrial processes (Haber, Contact) & sulfur compounds
  • 2022 Oct/Nov · Paper 21 · Q2 (b(ii))1 markRate of reaction
  • 2022 Oct/Nov · Paper 21 · Q4 (a(i), a(ii), d)4 marksIndustrial processes (Haber, Contact) & sulfur compounds · Rate of reaction · Redox, oxidation number, oxidising & reducing agents
  • 2022 Oct/Nov · Paper 21 · Q6 (a(i), a(ii))4 marksReversible reactions & equilibrium
  • 2022 Oct/Nov · Paper 21 · Q9 (a(ii))2 marksRate of reaction
  • 2022 Oct/Nov · Paper 41 · Q3 (b(ii), b(iii), c, d(ii), d(iii), d(iv))7 marksRate of reaction
  • 2022 May/June · Paper 11 · Q201 markRate of reaction
  • 2022 May/June · Paper 11 · Q211 markRate of reaction
  • 2022 May/June · Paper 11 · Q221 markReversible reactions & equilibrium
  • 2022 May/June · Paper 11 · Q231 markRedox, oxidation number, oxidising & reducing agents
  • 2022 May/June · Paper 11 · Q241 markRedox, oxidation number, oxidising & reducing agents
  • 2022 May/June · Paper 11 · Q291 markIndustrial processes (Haber, Contact) & sulfur compounds
  • 2022 May/June · Paper 21 · Q1 (f)1 markRedox, oxidation number, oxidising & reducing agents
  • 2022 May/June · Paper 21 · Q5 (a(i), a(ii))4 marksReversible reactions & equilibrium
  • 2022 May/June · Paper 21 · Q6 (b(i), b(iii), b(iv), b(v))7 marksRate of reaction · Redox, oxidation number, oxidising & reducing agents
  • 2022 May/June · Paper 21 · Q9 (a)2 marksIndustrial processes (Haber, Contact) & sulfur compounds
  • 2022 May/June · Paper 41 · Q1 (d(iv))4 marksRate of reaction

Find the full paper on the official Cambridge past-papers page or ask your school. “Paper 42” means Paper 4, variant 2.

Similar questions

Questions that test the same subtopic in different years. Practise them together to master one skill.

Rate of reaction Banker30 questions · 9/9 sessions
Reversible reactions & equilibrium Banker19 questions · 9/9 sessions
Redox, oxidation number, oxidising & reducing agents Banker26 questions · 9/9 sessions
Industrial processes (Haber, Contact) & sulfur compounds Banker13 questions · 8/9 sessions

Subtopics

SubtopicMarks indexedSessions
Rate of reaction Banker739/9
Reversible reactions & equilibrium Banker419/9
Redox, oxidation number, oxidising & reducing agents Banker379/9
Industrial processes (Haber, Contact) & sulfur compounds Banker158/9
Physical & chemical change Rare11/9

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