Chemistry 0620 · IGCSE · Alcohols

Alcohols — practice question

Ethanol can be produced either by fermentation or by the catalytic addition of steam to ethene. What is one advantage of making ethanol by fermentation rather than by the catalytic addition of steam to ethene?

  • AEthanol manufactured by fermentation is purified by distillation.
  • BEthanol manufacture by fermentation produces purer ethanol.
  • CEthanol manufacture by fermentation uses large areas of land.
  • DEthanol manufacture by fermentation uses renewable resources.

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