Kramizo
Log inSign up free
HomeCIE IGCSE ChemistryRusting and corrosion of metals
CIE · IGCSE · Chemistry

Rusting and corrosion of metals
Practice Questions

20 CIE IGCSE Chemistry questions on Rusting and corrosion of metals, each with instant feedback and a full examiner-style mark scheme.

⚡ Start Quiz on Rusting and corrosion of metals📖 Read Revision NotesTry one question
✨ Revision guide includes key terms, worked examples and exam technique for Rusting and corrosion of metals.

Try 2 sample questions on Rusting and corrosion of metals

Question 1 · 1 mark · Difficulty 1/3

Which substance is essential for the rusting of iron?

  1. oxygen only
  2. water only
  3. both oxygen and water
  4. carbon dioxide only
Show answer & explanation
✓ Answer: Cboth oxygen and water
Award 1 mark for recognizing that rusting requires both oxygen and water to be present. A is incorrect because oxygen alone cannot cause rusting without water. B is incorrect because water alone cannot cause rusting without oxygen. D is incorrect because carbon dioxide is not essential for rusting, though it may accelerate the process.
Question 2 · 1 mark · Difficulty 2/3

An oil tanker has blocks of magnesium attached to its steel hull. The magnesium blocks need to be replaced regularly. What is the purpose of these magnesium blocks?

  1. To make the ship lighter and more buoyant
  2. To provide sacrificial protection because magnesium is more reactive than iron
  3. To act as a catalyst for chemical reactions in seawater
  4. To prevent barnacles attaching to the hull
Show answer & explanation
✓ Answer: BTo provide sacrificial protection because magnesium is more reactive than iron
Award 1 mark for recognizing that magnesium acts as a sacrificial anode. Being more reactive than iron, magnesium corrodes preferentially and must be replaced when consumed. A is incorrect because the primary purpose is corrosion protection, not buoyancy. C is incorrect because magnesium is not acting as a catalyst. D is incorrect because magnesium does not prevent biological fouling.
⚡ Start a Quiz on Rusting and corrosion of metals
20 questions · 25 min · free

CIE IGCSE Chemistry: Rusting and corrosion of metals FAQ

How many CIE IGCSE Chemistry questions on Rusting and corrosion of metals are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on Rusting and corrosion of metals for CIE IGCSE Chemistry, with new questions added every week. Each question gives you instant feedback and a full examiner-style mark scheme that tells you exactly what would earn marks on a real CIE paper. The questions span the full difficulty range — from straightforward recall (level 1) right up to multi-step reasoning and evaluation (level 3) — so the bank works for first-pass revision and final exam-week stress testing alike.
Is Kramizo free for CIE IGCSE students preparing for Chemistry?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Rusting and corrosion of metals practice with other Chemistry topics or even switch to a totally different CIE subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Rusting and corrosion of metals questions aligned to the official CIE IGCSE Chemistry syllabus?
Every question is written against the published CIE IGCSE Chemistry specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real CIE paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from CIE.
How is Rusting and corrosion of metals typically tested on CIE IGCSE Chemistry papers?
Rusting and corrosion of metals appears across multiple question types on real CIE IGCSE Chemistry papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

Lock in Rusting and corrosion of metals before exam day.

Start practising in 30 seconds — no card required.

⚡ Start Quiz Free →