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O-LevelChemistryRates of Reaction5070/12 · May/June 2014 · Q311 Mark

The diagram shows three steps in the manufacture of sulfuric acid. In which steps is a catalyst used?

Diagram for this question, from the exam paper

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Astep Q only
Bstep R only
Csteps Q and R only
Dsteps P and Q and R

✓ Correct answer

A: step Q only

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About this question

Topic
Rates of Reaction, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, May/June 2014 Paper 1 Variant 2, question 31.

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