O Level Chemistry 5070, topic 9.5
Corrosion of metals: past paper questions
12 Cambridge O Level Chemistry 5070 questions on Corrosion of metals (9.5) from 12 papers, 2023 to 2026. Mostly multiple choice. Open the paper or try a question free.
Practising builds a set from this topic, free with an account. One question opens straight away, with no account.
- Questions
- 12
- Papers
- 12
- Years
- 2023 to 2026
- Total marks
- 28
- Average per question
- 2.3 marks
- Largest question
- 7 marks
By type: Multiple choice 9 · Structured 3
How hard the questions are
- Recall0
- Apply2
- Analyse3
- Not banded7
Derived from the command word Cambridge prints in each question, banded by a fixed table beside the syllabus's own definitions. A question printing no command word is unbanded: unknown, not middling.
Command words
- constructApply2 questions
- explainAnalyse2 questions
set out purposes or reasons / make the relationships between things clear / say why and/or how and support with relevant evidence
- giveRecall2 questions
produce an answer from a given source or recall/memory
- stateRecall2 questions
express in clear terms
- completeApply1 question
- nameRecall1 question
- predictAnalyse1 question
suggest what may happen based on available information
- showApply1 question
- useApply1 question
Where the questions come from
By year
- 20261
- 20256
- 20235
By session
- May/June8
- Oct/Nov4
By paper
- Paper 19
- Paper 22
- Paper 41
Questions on this topic
Showing 11 of 12, spread across the years. Open one to write your answer and have it marked.
- Try this questionQuestion 26May/June 2026, paper 11Multiple choice1 markHas a diagram
The diagram shows how an underwater iron pipe can be protected from rusting. Metal Z can be ......1...... because it is ......2......
- Try this questionQuestion 26Oct/Nov 2025, paper 11Multiple choice1 markHas a diagram
The diagrams show two methods in which metal X is used to prevent the rusting of iron.
- Try this questionQuestion 28Oct/Nov 2023, paper 11Multiple choice1 mark
Which statement about corrosion of metals is correct?
- Try this questionQuestion 28Oct/Nov 2023, paper 12Multiple choice1 mark
The rusting of iron can be prevented by coating the iron with another material. Which statement explains why coating with zinc is more effective than painting?
- Try this questionQuestion 27May/June 2025, paper 11Multiple choice1 mark
Iron is galvanised with zinc to prevent rusting. Which type of protection is provided by galvanising?
- Try this questionQuestion 28May/June 2023, paper 11Multiple choice1 mark
Zinc is used to galvanise iron, which prevents the iron from rusting. Which statements are correct?
- Try this questionQuestion 27May/June 2025, paper 12Multiple choice1 mark
Which statement explains why objects manufactured from aluminium corrode very slowly?
- Try this questionQuestion 31May/June 2023, paper 12Multiple choice1 mark
Pieces of magnesium can be attached to the steel hull of a ship to prevent rusting. This is sacrificial protection. Which statements about sacrificial protection are correct?
- Try this questionQuestion 7May/June 2025, paper 21Structured6 marks
Aluminium is used in the manufacture of aircraft and food containers. Aluminium is resistant to corrosion by water and oxygen. Give one other reason why aluminium is used in the manufacture of aircraft.
- Try this questionQuestion 1May/June 2023, paper 42Structured6 marksHas a diagram
A student investigates the rusting of iron. Fig. 1.1 shows the apparatus the student uses. Name apparatus X.
- Try this questionQuestion 7May/June 2025, paper 22Structured7 marks
Iron is used to make stainless steel. Stainless steel is used to make cutlery because it is resistant to rusting. Give one other reason why stainless steel is used to make cutlery.