Skip to main content
O-LevelChemistryRates of Reaction5070/11 · May/June 2016 · Q281 Mark

The diagram shows a flow chart for the manufacture of fertiliser. In the flow chart, what are W, X, Y and Z?

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.

AH₂, N₂, high, NH₃
BO₂, SO₂, high, SO₃
CO₂, SO₂, low, SO₃
DN₂, H₂, high, NH₃

✓ Correct answer

D: N₂, H₂, high, NH₃

Practise more questions on this topic

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

Sign up free →

About this question

Topic
Rates of Reaction, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, May/June 2016 Paper 1 Variant 1, question 28.

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

© 2026 Oracle Prep