AQA GCSE Chemistry Foundation • Unit 10 Using resources

Can you secure the mark on this Haber process temperature question? with AI Marker.

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AQA • Chemistry • Unit 10 Using resources

State the temperature used in the Haber process shown in the diagram.

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AQAGCSEChemistryFoundation1 markDiagram included
GCSE revision question
Question context

The diagram shows the Haber process apparatus with a reactor vessel operating at 450°C and 200 atm pressure, using an iron catalyst. The gas mixture of nitrogen and hydrogen enters the reactor, and ammonia is formed and removed continuously.

Question diagram
Diagram for AQA GCSE Chemistry revision question about Unit 10 Using resources
Use this diagram together with the question wording.

State the temperature used in the Haber process shown in the diagram.

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Answer and mark-scheme guidance

MP1: 450°C

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Can you spot the exact detail the mark scheme wants from the Haber process diagram?

This is a 1-mark recall-from-diagram question. You need to state the temperature shown for the Haber process. The mark scheme gives one accepted value only, so your answer must match that temperature.

Quick takeaway: For the mark, write 450°C.

Quick revision for this AQA GCSE Chemistry question

For this Production and uses of NPK fertilisers GCSE question, the skill is reading the required condition from the Haber process information and giving the exact value the mark scheme rewards. In GCSE Chemistry revision, short questions like this are about precision: one correct temperature earns the mark. Use AI Marker for more AQA GCSE Chemistry questions, GCSE revision questions, and GCSE exam practice with instant AI marking and Mentor — an AI Tutor for GCSE revision.

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