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Chemistry · May / June 2016 · Paper 11 · Question 28

5070Reversible reactions and equilibrium

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

  1. AW = H2, X = N2, Y = high, Z = NH3
  2. BW = O2, X = SO2, Y = high, Z = SO3
  3. CW = O2, X = SO2, Y = low, Z = SO3
  4. DW = N2, X = H2, Y = high, Z = NH3

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Correct answer: D. W = N2, X = H2, Y = high, Z = NH3

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