Skip to main content
O-LevelChemistryRates of Reaction5070/11 · May/June 2015 · Q211 Mark

The Contact process, the Haber process and the hydrogenation of fats all involve the use of a catalyst. Which row correctly describes whether the catalyst used in each process is an element or a compound?

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.

ARow A: Contact process compound, Haber process compound, hydrogenation of fats compound
BRow B: Contact process compound, Haber process element, hydrogenation of fats element
CRow C: Contact process element, Haber process element, hydrogenation of fats compound
DRow D: Contact process element, Haber process element, hydrogenation of fats element

✓ Correct answer

B: Row B: Contact process compound, Haber process element, hydrogenation of fats element

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 2015 Paper 1 Variant 1, question 21.

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