Chemistry 0620 · IGCSE · Alcohols

Alcohols — practice question

Ethanol can be produced either by the fermentation of sugars or by the catalytic hydration of ethene. Which row gives an advantage of each method?

  • Afermentation produces purer ethanol; hydration is a batch process
  • Bfermentation produces purer ethanol; hydration is a continuous process
  • Cfermentation uses a renewable resource; hydration is a batch process
  • Dfermentation uses a renewable resource; hydration is a continuous process

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