Chemistry 0620 · IGCSE · Separation and purification

Separation and purification — practice question

The diagram illustrates how petroleum is separated into fractions. What might X, Y and Z be?

  • A$X$: diesel oil, $Y$: lubricating fraction, $Z$: paraffin
  • B$X$: lubricating fraction, $Y$: diesel oil, $Z$: paraffin
  • C$X$: paraffin, $Y$: lubricating fraction, $Z$: diesel oil
  • D$X$: paraffin, $Y$: diesel oil, $Z$: lubricating fraction

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