◈ Oracle PrepSign Up Free
O-LevelChemistryMetals & Reactivity5070/11 · Oct/Nov 2015 · Q161 Mark

Iron is produced in the blast furnace. Which statement about this process is correct?

Diagram for this question, from the exam paper

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

ACarbon is oxidised to carbon dioxide.
BCarbon monoxide is produced by the thermal decomposition of calcium carbonate.
CHaematite is reduced by calcium carbonate.
DImpurities are removed by the hot air blast.

✓ Correct answer

A: Carbon is oxidised to carbon dioxide.

Practise more questions on this topic

Oracle Prep sorts past-paper questions by topic, so you can drill Metals & Reactivity and see which topics are most likely to come up next.

Sign up free →

About this question

Topic
Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, Oct/Nov 2015 Paper 1 Variant 1, question 16.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

Related Chemistry questions

Metals & ReactivityMay/June 20121m

In which equation is the underlined element reduced?

Metals & ReactivityMay/June 20121m

A metal X forms oxides with the formulae XO and X2O3. Where is X in the Periodic Table?

Metals & ReactivityMay/June 20121m

Which pair of metals are not oxidised when added to water? 1. calcium 2. copper 3. potassium 4. silver

Rates of ReactionMay/June 20111m

The diagram represents the manufacture of sulfuric acid by the Contact process. What is used in step R?

ElectrolysisMay/June 20111m

Which element can only be extracted from its ore using electrolysis?

Chemistry of the EnvironmentMay/June 20111m

Scrap iron is often recycled. Which reason for recycling is not correct?

← Browse all past-paper questions

© 2026 Oracle Prep