Chemistry 0620 · IGCSE · Separation and purification

Separation and purification — practice question

Ethanol can be produced by fermentation of sugar with yeast. This forms a mixture of ethanol and water. How is ethanol separated from this mixture?

  • Adistilling the mixture using a fractionating column
  • Bfiltering the mixture
  • Cheating to evaporate most of the water, and allowing the ethanol to crystallise
  • Dheating to evaporate the water

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI