Chemistry 0620 · IGCSE · Alcohols

Alcohols — practice question

Ethanol is produced on an industrial scale either by fermenting glucose or by adding steam to ethene using a catalyst. Which statement explains one advantage of fermentation when compared with catalytic addition?

  • AEthanol is the only product of fermentation.
  • BFermentation uses a batch process but catalytic addition is continuous.
  • CFermentation uses a higher temperature than catalytic addition.
  • DFermentation uses a renewable resource.

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