Chemistry 0620 · IGCSE · Alcohols

Alcohols — practice question

Ethanol is produced either by fermentation or by the catalytic addition of steam to ethene. Which statement is correct?

  • AFermentation uses a higher temperature than the catalytic addition of steam to ethene.
  • BFermentation uses a non-renewable resource.
  • CThe catalytic addition of steam to ethene produces purer ethanol than fermentation.
  • DThe catalytic addition of steam to ethene uses a biological catalyst.

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