Chemistry 0620 · IGCSE · Reversible reactions and equilibrium

Reversible reactions and equilibrium — practice question

Which row gives the conditions used in the Contact process?

  • Atemperature $25\,^{\circ}\text{C}$; pressure $2\,\text{atm}$; catalyst iron
  • Btemperature $25\,^{\circ}\text{C}$; pressure $200\,\text{atm}$; catalyst iron
  • Ctemperature $450\,^{\circ}\text{C}$; pressure $2\,\text{atm}$; catalyst vanadium(V) oxide
  • Dtemperature $450\,^{\circ}\text{C}$; pressure $200\,\text{atm}$; catalyst vanadium(V) oxide

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